Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2621533334', 'doi': 'https://doi.org/10.3346/jkms.2017.32.7.1187', 'title': 'Reduced Mortality in Severely Injured Patients Using Hospital-based Helicopter Emergency Medical Services in Interhospital Transport', 'display_name': 'Reduced Mortality in Severely Injured Patients Using Hospital-based Helicopter Emergency Medical Services in Interhospital Transport', 'publication_year': 2017, 'publication_date': '2017-01-01', 'ids': {'openalex': 'https://openalex.org/W2621533334', 'doi': 'https://doi.org/10.3346/jkms.2017.32.7.1187', 'mag': '2621533334', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/28581278', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/5461325'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.3346/jkms.2017.32.7.1187', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S11290066', 'display_name': 'Journal of Korean Medical Science', 'issn_l': '1011-8934', 'issn': ['1011-8934', '1598-6357'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320101', 'host_organization_name': 'Korean Academy of Medical Sciences', 'host_organization_lineage': ['https://openalex.org/P4310320101'], 'host_organization_lineage_names': ['Korean Academy of Medical Sciences'], 'type': 'journal'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://doi.org/10.3346/jkms.2017.32.7.1187', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5064256187', 'display_name': 'Oh Hyun Kim', 'orcid': 'https://orcid.org/0000-0002-8415-0318'}, 'institutions': [{'id': 'https://openalex.org/I193775966', 'display_name': 'Yonsei University', 'ror': 'https://ror.org/01wjejq96', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I193775966']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Oh Hyun Kim', 'raw_affiliation_strings': ['Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.'], 'affiliations': [{'raw_affiliation_string': 'Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.', 'institution_ids': ['https://openalex.org/I193775966']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5047235291', 'display_name': 'Young‐Il Roh', 'orcid': 'https://orcid.org/0000-0001-8317-4943'}, 'institutions': [{'id': 'https://openalex.org/I193775966', 'display_name': 'Yonsei University', 'ror': 'https://ror.org/01wjejq96', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I193775966']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Young-Il Roh', 'raw_affiliation_strings': ['Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.'], 'affiliations': [{'raw_affiliation_string': 'Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.', 'institution_ids': ['https://openalex.org/I193775966']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5101657414', 'display_name': 'Hyung Il Kim', 'orcid': 'https://orcid.org/0000-0002-2843-5597'}, 'institutions': [{'id': 'https://openalex.org/I193775966', 'display_name': 'Yonsei University', 'ror': 'https://ror.org/01wjejq96', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I193775966']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Hyung-Il Kim', 'raw_affiliation_strings': ['Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.'], 'affiliations': [{'raw_affiliation_string': 'Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.', 'institution_ids': ['https://openalex.org/I193775966']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5016151612', 'display_name': 'Yong Sung', 'orcid': 'https://orcid.org/0000-0001-9897-4273'}, 'institutions': [{'id': 'https://openalex.org/I193775966', 'display_name': 'Yonsei University', 'ror': 'https://ror.org/01wjejq96', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I193775966']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Yong Sung Cha', 'raw_affiliation_strings': ['Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.'], 'affiliations': [{'raw_affiliation_string': 'Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.', 'institution_ids': ['https://openalex.org/I193775966']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5029238053', 'display_name': 'Kyoung‐Chul Cha', 'orcid': 'https://orcid.org/0000-0003-1818-2466'}, 'institutions': [{'id': 'https://openalex.org/I193775966', 'display_name': 'Yonsei University', 'ror': 'https://ror.org/01wjejq96', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I193775966']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Kyoung-Chul Cha', 'raw_affiliation_strings': ['Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.'], 'affiliations': [{'raw_affiliation_string': 'Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.', 'institution_ids': ['https://openalex.org/I193775966']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100371168', 'display_name': 'Hyun Kim', 'orcid': 'https://orcid.org/0000-0002-1696-9401'}, 'institutions': [{'id': 'https://openalex.org/I193775966', 'display_name': 'Yonsei University', 'ror': 'https://ror.org/01wjejq96', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I193775966']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Hyun Kim', 'raw_affiliation_strings': ['Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.'], 'affiliations': [{'raw_affiliation_string': 'Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.', 'institution_ids': ['https://openalex.org/I193775966']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5026828281', 'display_name': 'Sung Oh Hwang', 'orcid': 'https://orcid.org/0000-0003-4585-3181'}, 'institutions': [{'id': 'https://openalex.org/I193775966', 'display_name': 'Yonsei University', 'ror': 'https://ror.org/01wjejq96', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I193775966']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Sung Oh Hwang', 'raw_affiliation_strings': ['Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.'], 'affiliations': [{'raw_affiliation_string': 'Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.', 'institution_ids': ['https://openalex.org/I193775966']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5055008722', 'display_name': 'Kang Hyun Lee', 'orcid': 'https://orcid.org/0000-0001-9664-9186'}, 'institutions': [{'id': 'https://openalex.org/I193775966', 'display_name': 'Yonsei University', 'ror': 'https://ror.org/01wjejq96', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I193775966']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Kang Hyun Lee', 'raw_affiliation_strings': ['Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.'], 'affiliations': [{'raw_affiliation_string': 'Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.', 'institution_ids': ['https://openalex.org/I193775966']}]}], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 900000, 'currency': 'KRW', 'value_usd': 690, 'provenance': 'doaj'}, 'apc_paid': {'value': 900000, 'currency': 'KRW', 'value_usd': 690, 'provenance': 'doaj'}, 'fwci': 4.063, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 18, 'citation_normalized_percentile': {'value': 0.922031, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 90, 'max': 91}, 'biblio': {'volume': '32', 'issue': '7', 'first_page': '1187', 'last_page': '1187'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11467', 'display_name': 'Impact of Trauma Care Systems on Mortality', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2711', 'display_name': 'Emergency Medicine'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11467', 'display_name': 'Impact of Trauma Care Systems on Mortality', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2711', 'display_name': 'Emergency Medicine'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T11824', 'display_name': 'Global Burden of Child Injury Prevention', 'score': 0.9962, 'subfield': {'id': 'https://openalex.org/subfields/2739', 'display_name': 'Public Health, Environmental and Occupational Health'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10370', 'display_name': 'Analysis of Traffic Safety and Driver Behavior', 'score': 0.994, 'subfield': {'id': 'https://openalex.org/subfields/2213', 'display_name': 'Safety, Risk, Reliability and Quality'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/revised-trauma-score', 'display_name': 'Revised Trauma Score', 'score': 0.6425483}, {'id': 'https://openalex.org/keywords/triage', 'display_name': 'Triage', 'score': 0.62552077}, {'id': 'https://openalex.org/keywords/helmet-efficacy', 'display_name': 'Helmet Efficacy', 'score': 0.550712}, {'id': 'https://openalex.org/keywords/trauma-center', 'display_name': 'Trauma center', 'score': 0.49642187}, {'id': 'https://openalex.org/keywords/statistic', 'display_name': 'Statistic', 'score': 0.43435657}], 'concepts': [{'id': 'https://openalex.org/C545288138', 'wikidata': 'https://www.wikidata.org/wiki/Q860447', 'display_name': 'Emergency medical services', 'level': 2, 'score': 0.7581081}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.744486}, {'id': 'https://openalex.org/C85004164', 'wikidata': 'https://www.wikidata.org/wiki/Q1089964', 'display_name': 'Injury Severity Score', 'level': 4, 'score': 0.7017921}, {'id': 'https://openalex.org/C194828623', 'wikidata': 'https://www.wikidata.org/wiki/Q2861470', 'display_name': 'Emergency medicine', 'level': 1, 'score': 0.6747633}, {'id': 'https://openalex.org/C2777175280', 'wikidata': 'https://www.wikidata.org/wiki/Q7318437', 'display_name': 'Revised Trauma Score', 'level': 5, 'score': 0.6425483}, {'id': 'https://openalex.org/C2777120189', 'wikidata': 'https://www.wikidata.org/wiki/Q780067', 'display_name': 'Triage', 'level': 2, 'score': 0.62552077}, {'id': 'https://openalex.org/C545542383', 'wikidata': 'https://www.wikidata.org/wiki/Q2751242', 'display_name': 'Medical emergency', 'level': 1, 'score': 0.51757824}, {'id': 'https://openalex.org/C2780110798', 'wikidata': 'https://www.wikidata.org/wiki/Q2980337', 'display_name': 'Trauma center', 'level': 3, 'score': 0.49642187}, {'id': 'https://openalex.org/C89128539', 'wikidata': 'https://www.wikidata.org/wiki/Q1949963', 'display_name': 'Statistic', 'level': 2, 'score': 0.43435657}, {'id': 'https://openalex.org/C3017944768', 'wikidata': 'https://www.wikidata.org/wiki/Q1450463', 'display_name': 'Poison control', 'level': 2, 'score': 0.4084551}, {'id': 'https://openalex.org/C190385971', 'wikidata': 'https://www.wikidata.org/wiki/Q373494', 'display_name': 'Injury prevention', 'level': 3, 'score': 0.3735399}, {'id': 'https://openalex.org/C167135981', 'wikidata': 'https://www.wikidata.org/wiki/Q2146302', 'display_name': 'Retrospective cohort study', 'level': 2, 'score': 0.30804634}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.21135977}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D017732', 'descriptor_name': 'Air Ambulances', 'qualifier_ui': 'Q000706', 'qualifier_name': 'statistics & numerical data', 'is_major_topic': True}, {'descriptor_ui': 'D015601', 'descriptor_name': 'Injury Severity Score', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D009104', 'descriptor_name': 'Multiple Trauma', 'qualifier_ui': 'Q000401', 'qualifier_name': 'mortality', 'is_major_topic': True}, {'descriptor_ui': 'D014193', 'descriptor_name': 'Trauma Centers', 'qualifier_ui': 'Q000706', 'qualifier_name': 'statistics & numerical data', 'is_major_topic': True}, {'descriptor_ui': 'D000328', 'descriptor_name': 'Adult', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000368', 'descriptor_name': 'Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D017732', 'descriptor_name': 'Air Ambulances', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D017732', 'descriptor_name': 'Air Ambulances', 'qualifier_ui': 'Q000191', 'qualifier_name': 'economics', 'is_major_topic': False}, {'descriptor_ui': 'D003362', 'descriptor_name': 'Cost-Benefit Analysis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008297', 'descriptor_name': 'Male', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008875', 'descriptor_name': 'Middle Aged', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009104', 'descriptor_name': 'Multiple Trauma', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D056910', 'descriptor_name': 'Republic of Korea', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015996', 'descriptor_name': 'Survival Rate', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014193', 'descriptor_name': 'Trauma Centers', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 4, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.3346/jkms.2017.32.7.1187', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S11290066', 'display_name': 'Journal of Korean Medical Science', 'issn_l': '1011-8934', 'issn': ['1011-8934', '1598-6357'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320101', 'host_organization_name': 'Korean Academy of Medical Sciences', 'host_organization_lineage': ['https://openalex.org/P4310320101'], 'host_organization_lineage_names': ['Korean Academy of Medical Sciences'], 'type': 'journal'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://europepmc.org/articles/pmc5461325', 'pdf_url': 'https://europepmc.org/articles/pmc5461325?pdf=render', 'source': {'id': 'https://openalex.org/S4306400806', 'display_name': 'Europe PMC (PubMed Central)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1303153112', 'host_organization_name': 'European Bioinformatics Institute', 'host_organization_lineage': ['https://openalex.org/I1303153112'], 'host_organization_lineage_names': ['European Bioinformatics Institute'], 'type': 'repository'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5461325', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764455111', 'display_name': 'PubMed Central', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/28581278', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.3346/jkms.2017.32.7.1187', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S11290066', 'display_name': 'Journal of Korean Medical Science', 'issn_l': '1011-8934', 'issn': ['1011-8934', '1598-6357'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320101', 'host_organization_name': 'Korean Academy of Medical Sciences', 'host_organization_lineage': ['https://openalex.org/P4310320101'], 'host_organization_lineage_names': ['Korean Academy of Medical Sciences'], 'type': 'journal'}, 'license': 'cc-by-nc', 'license_id': 'https://openalex.org/licenses/cc-by-nc', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'score': 0.89, 'id': 'https://metadata.un.org/sdg/3', 'display_name': 'Good health and well-being'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 43, 'referenced_works': ['https://openalex.org/W122568889', 'https://openalex.org/W1509066458', 'https://openalex.org/W182167381', 'https://openalex.org/W1965486887', 'https://openalex.org/W1967055632', 'https://openalex.org/W1969027546', 'https://openalex.org/W1969065978', 'https://openalex.org/W1971723120', 'https://openalex.org/W1988501151', 'https://openalex.org/W1992837061', 'https://openalex.org/W1999140436', 'https://openalex.org/W2004194294', 'https://openalex.org/W2011864018', 'https://openalex.org/W2024015425', 'https://openalex.org/W2042847647', 'https://openalex.org/W2053680253', 'https://openalex.org/W2063481739', 'https://openalex.org/W2064376433', 'https://openalex.org/W2067037309', 'https://openalex.org/W2069253370', 'https://openalex.org/W2081009417', 'https://openalex.org/W2082194006', 'https://openalex.org/W2083066201', 'https://openalex.org/W2084870326', 'https://openalex.org/W2093353109', 'https://openalex.org/W2095463603', 'https://openalex.org/W2114104030', 'https://openalex.org/W2117297707', 'https://openalex.org/W2118215872', 'https://openalex.org/W2119208415', 'https://openalex.org/W2121747876', 'https://openalex.org/W2132814098', 'https://openalex.org/W2163422002', 'https://openalex.org/W2336527904', 'https://openalex.org/W2403341204', 'https://openalex.org/W2404288061', 'https://openalex.org/W2411567910', 'https://openalex.org/W2509187435', 'https://openalex.org/W2516397202', 'https://openalex.org/W2745062011', 'https://openalex.org/W4290284669', 'https://openalex.org/W4293250999', 'https://openalex.org/W4320301321'], 'related_works': ['https://openalex.org/W3042794092', 'https://openalex.org/W2810095828', 'https://openalex.org/W2767802395', 'https://openalex.org/W2243138620', 'https://openalex.org/W2151293638', 'https://openalex.org/W2081161241', 'https://openalex.org/W2029660513', 'https://openalex.org/W1983691561', 'https://openalex.org/W1981432161', 'https://openalex.org/W1974388199'], 'abstract_inverted_index': {'Recent': [0], 'evidence': [1], 'has': [2], 'demonstrated': [3], 'the': [4, 21, 58, 86, 94, 99, 114, 140, 150, 155, 193, 211], 'survival': [5, 208], 'benefits': [6], 'of': [7, 15, 23, 55, 109, 195, 213], 'helicopter': [8, 25], 'transport': [9, 35, 56], 'for': [10, 187, 197], 'trauma': [11, 59, 125, 201], 'patients.': [12], 'The': [13, 73, 107], 'purpose': [14], 'this': [16], 'study': [17, 74, 115], 'was': [18, 75, 116, 185, 203], 'to': [19, 53, 57, 80, 210], 'evaluate': [20], 'effectiveness': [22], 'hospital-based': [24], 'emergency': [26, 66], 'medical': [27, 67], 'services': [28, 68], '(H-HEMS)': [29], 'in': [30, 36, 40, 85, 93, 113, 134, 149, 154], 'comparison': [31], 'with': [32, 42, 91, 205], 'ground': [33, 65], 'ambulance': [34], 'improving': [37], 'mortality': [38], 'outcomes': [39, 84], 'patients': [41, 126, 176, 182, 202], 'major': [43, 124, 200], 'trauma.': [44], 'Study': [45], 'participants': [46, 110], 'were': [47, 89, 122, 132], 'divided': [48], 'into': [49], '2': [50], 'groups': [51], 'according': [52], 'type': [54], 'center;': [60], 'that': [61, 192], 'is,': [62], 'either': [63], 'via': [64, 71, 128], '(GEMS)': [69], 'or': [70], 'H-HEMS.': [72], 'conducted': [76], 'from': [77], 'October': [78], '2013': [79], 'July': [81], '2015.': [82], 'Mortality': [83], 'H-HEMS': [87, 151, 184, 196], 'group': [88, 96, 152, 157], 'compared': [90, 209], 'those': [92], 'GEMS': [95, 156], 'by': [97], 'using': [98], 'Trauma': [100], 'and': [101, 130, 142, 173], 'Injury': [102], 'Severity': [103], 'Score': [104], '(TRISS)': [105], 'analysis.': [106], 'number': [108], 'finally': [111], 'included': [112], '312.': [117], 'Among': [118], 'these': [119], 'patients,': [120], '63': [121], 'adult': [123, 199], 'transported': [127], 'H-HEMS,': [129], '47.6%': [131], 'involved': [133], 'traffic': [135], 'accidents.': [136], 'For': [137], 'interhospital': [138], 'transport,': [139], 'Z': [141], 'W': [143, 168], 'statistics': [144], 'revealed': [145, 191], 'significantly': [146, 206], 'higher': [147], 'scores': [148], 'than': [153], '(Z': [158], 'statistic,': [159, 169], '2.02': [160], 'vs.': [161, 166, 171], '1.16;': [162], 'P': [163], '=': [164], '0.043': [165], '0.246;': [167], '8.87': [170], '2.85),': [172], '6.02': [174], 'more': [175], 'could': [177], 'be': [178], 'saved': [179], 'per': [180], '100': [181], 'when': [183], 'used': [186], 'transportation.': [188], 'TRISS': [189], 'analysis': [190], 'use': [194, 212], 'transporting': [198], 'associated': [204], 'improved': [207], 'GEMS.': [214]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2621533334', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 7}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 2}, {'year': 2017, 'cited_by_count': 1}], 'updated_date': '2024-08-15T14:49:58.088880', 'created_date': '2017-06-15'}