Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2973323203', 'doi': 'https://doi.org/10.5009/gnl19091', 'title': 'Role of Serum Pepsinogen II and <i>Helicobacter pylori</i> Status in the Detection of Diffuse-Type Early Gastric Cancer in Young Individuals in South Korea', 'display_name': 'Role of Serum Pepsinogen II and <i>Helicobacter pylori</i> Status in the Detection of Diffuse-Type Early Gastric Cancer in Young Individuals in South Korea', 'publication_year': 2020, 'publication_date': '2020-07-15', 'ids': {'openalex': 'https://openalex.org/W2973323203', 'doi': 'https://doi.org/10.5009/gnl19091', 'mag': '2973323203', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/31533397', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/7366145'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.5009/gnl19091', 'pdf_url': 'https://www.gutnliver.org/journal/download_pdf.php?doi=10.5009/gnl19091', 'source': {'id': 'https://openalex.org/S114420980', 'display_name': 'Gut and Liver', 'issn_l': '1976-2283', 'issn': ['1976-2283', '2005-1212'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319460', 'host_organization_name': 'Korean Association for the Study of the Liver', 'host_organization_lineage': ['https://openalex.org/P4310319460'], 'host_organization_lineage_names': ['Korean Association for the Study of the Liver'], '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'], 'open_access': {'is_oa': True, 'oa_status': 'diamond', 'oa_url': 'https://www.gutnliver.org/journal/download_pdf.php?doi=10.5009/gnl19091', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5090123601', 'display_name': 'Sung Min Baek', 'orcid': 'https://orcid.org/0000-0002-2778-2888'}, 'institutions': [{'id': 'https://openalex.org/I2803058125', 'display_name': 'Seoul National University Bundang Hospital', 'ror': 'https://ror.org/00cb3km46', 'country_code': 'KR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802835388', 'https://openalex.org/I2803058125']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Sung Min Baek', 'raw_affiliation_strings': ['Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea'], 'affiliations': [{'raw_affiliation_string': 'Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I2803058125']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100348065', 'display_name': 'Nayoung Kim', 'orcid': 'https://orcid.org/0000-0002-9397-0406'}, 'institutions': [{'id': 'https://openalex.org/I139264467', 'display_name': 'Seoul National University', 'ror': 'https://ror.org/04h9pn542', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I139264467']}, {'id': 'https://openalex.org/I2803058125', 'display_name': 'Seoul National University Bundang Hospital', 'ror': 'https://ror.org/00cb3km46', 'country_code': 'KR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802835388', 'https://openalex.org/I2803058125']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Nayoung Kim', 'raw_affiliation_strings': ['Department of Internal Medicine and Liver Research Institute, Seoul National University, Seongnam, Korea', 'Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea', 'Tumor Microenvironment Global Core Research Center, Seoul National University, Seoul, Korea'], 'affiliations': [{'raw_affiliation_string': 'Tumor Microenvironment Global Core Research Center, Seoul National University, Seoul, Korea', 'institution_ids': ['https://openalex.org/I139264467']}, {'raw_affiliation_string': 'Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I2803058125']}, {'raw_affiliation_string': 'Department of Internal Medicine and Liver Research Institute, Seoul National University, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I139264467']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5103246295', 'display_name': 'Young Jae Kwon', 'orcid': 'https://orcid.org/0000-0002-0532-2362'}, 'institutions': [{'id': 'https://openalex.org/I2803058125', 'display_name': 'Seoul National University Bundang Hospital', 'ror': 'https://ror.org/00cb3km46', 'country_code': 'KR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802835388', 'https://openalex.org/I2803058125']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Young Jae Kwon', 'raw_affiliation_strings': ['Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea'], 'affiliations': [{'raw_affiliation_string': 'Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I2803058125']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5069823694', 'display_name': 'Hye Seung Lee', 'orcid': 'https://orcid.org/0000-0002-1667-7986'}, 'institutions': [{'id': 'https://openalex.org/I2803058125', 'display_name': 'Seoul National University Bundang Hospital', 'ror': 'https://ror.org/00cb3km46', 'country_code': 'KR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802835388', 'https://openalex.org/I2803058125']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Hye Seung Lee', 'raw_affiliation_strings': ['Department of Pathology, Seoul National University Bundang Hospital, Seongnam, Korea'], 'affiliations': [{'raw_affiliation_string': 'Department of Pathology, Seoul National University Bundang Hospital, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I2803058125']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100363769', 'display_name': 'Hyun Young Kim', 'orcid': 'https://orcid.org/0000-0002-3444-6022'}, 'institutions': [{'id': 'https://openalex.org/I2803058125', 'display_name': 'Seoul National University Bundang Hospital', 'ror': 'https://ror.org/00cb3km46', 'country_code': 'KR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802835388', 'https://openalex.org/I2803058125']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Hyun Young Kim', 'raw_affiliation_strings': ['Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea'], 'affiliations': [{'raw_affiliation_string': 'Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I2803058125']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5101981693', 'display_name': 'Jaebong Lee', 'orcid': 'https://orcid.org/0000-0003-4882-081X'}, 'institutions': [{'id': 'https://openalex.org/I2803058125', 'display_name': 'Seoul National University Bundang Hospital', 'ror': 'https://ror.org/00cb3km46', 'country_code': 'KR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802835388', 'https://openalex.org/I2803058125']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Jaebong Lee', 'raw_affiliation_strings': ['Division of Statistics in Medical Research Collaborating Center, Seoul National University Bundang Hospital, Seongnam, Korea'], 'affiliations': [{'raw_affiliation_string': 'Division of Statistics in Medical Research Collaborating Center, Seoul National University Bundang Hospital, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I2803058125']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5076366046', 'display_name': 'Hyuk Yoon', 'orcid': 'https://orcid.org/0000-0002-2657-0349'}, 'institutions': [{'id': 'https://openalex.org/I2803058125', 'display_name': 'Seoul National University Bundang Hospital', 'ror': 'https://ror.org/00cb3km46', 'country_code': 'KR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802835388', 'https://openalex.org/I2803058125']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Hyuk Yoon', 'raw_affiliation_strings': ['Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea'], 'affiliations': [{'raw_affiliation_string': 'Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I2803058125']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5063544428', 'display_name': 'Cheol Min Shin', 'orcid': 'https://orcid.org/0000-0003-2265-9845'}, 'institutions': [{'id': 'https://openalex.org/I2803058125', 'display_name': 'Seoul National University Bundang Hospital', 'ror': 'https://ror.org/00cb3km46', 'country_code': 'KR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802835388', 'https://openalex.org/I2803058125']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Cheol Min Shin', 'raw_affiliation_strings': ['Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea'], 'affiliations': [{'raw_affiliation_string': 'Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I2803058125']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100634286', 'display_name': 'Young Soo Park', 'orcid': 'https://orcid.org/0000-0003-1893-7726'}, 'institutions': [{'id': 'https://openalex.org/I2803058125', 'display_name': 'Seoul National University Bundang Hospital', 'ror': 'https://ror.org/00cb3km46', 'country_code': 'KR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802835388', 'https://openalex.org/I2803058125']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Young Soo Park', 'raw_affiliation_strings': ['Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea'], 'affiliations': [{'raw_affiliation_string': 'Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I2803058125']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5100436284', 'display_name': 'Dong Ho Lee', 'orcid': 'https://orcid.org/0000-0002-6376-410X'}, 'institutions': [{'id': 'https://openalex.org/I139264467', 'display_name': 'Seoul National University', 'ror': 'https://ror.org/04h9pn542', 'country_code': 'KR', 'type': 'education', 'lineage': ['https://openalex.org/I139264467']}, {'id': 'https://openalex.org/I2803058125', 'display_name': 'Seoul National University Bundang Hospital', 'ror': 'https://ror.org/00cb3km46', 'country_code': 'KR', 'type': 'healthcare', 'lineage': ['https://openalex.org/I2802835388', 'https://openalex.org/I2803058125']}], 'countries': ['KR'], 'is_corresponding': False, 'raw_author_name': 'Dong Ho Lee', 'raw_affiliation_strings': ['Department of Internal Medicine and Liver Research Institute, Seoul National University, Seongnam, Korea', 'Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea', 'Tumor Microenvironment Global Core Research Center, Seoul National University, Seoul, Korea'], 'affiliations': [{'raw_affiliation_string': 'Tumor Microenvironment Global Core Research Center, Seoul National University, Seoul, Korea', 'institution_ids': ['https://openalex.org/I139264467']}, {'raw_affiliation_string': 'Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I2803058125']}, {'raw_affiliation_string': 'Department of Internal Medicine and Liver Research Institute, Seoul National University, Seongnam, Korea', 'institution_ids': ['https://openalex.org/I139264467']}]}], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 0, 'currency': 'USD', 'value_usd': 0, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 4.85, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 24, 'citation_normalized_percentile': {'value': 0.999983, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 94, 'max': 95}, 'biblio': {'volume': '14', 'issue': '4', 'first_page': '439', 'last_page': '449'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10276', 'display_name': 'Helicobacter pylori Infection and Gastric Cancer', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, '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/T10276', 'display_name': 'Helicobacter pylori Infection and Gastric Cancer', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, '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/T10696', 'display_name': 'Gastric Cancer Research and Treatment', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory 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/T11855', 'display_name': "Intussusception and Meckel's Diverticulum", 'score': 0.9708, 'subfield': {'id': 'https://openalex.org/subfields/2746', 'display_name': 'Surgery'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/gastric-cancer', 'display_name': 'Gastric Cancer', 'score': 0.473209}], 'concepts': [{'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.8453725}, {'id': 'https://openalex.org/C2776409635', 'wikidata': 'https://www.wikidata.org/wiki/Q180556', 'display_name': 'Helicobacter pylori', 'level': 2, 'score': 0.7459722}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.55571616}, {'id': 'https://openalex.org/C90924648', 'wikidata': 'https://www.wikidata.org/wiki/Q120569', 'display_name': 'Gastroenterology', 'level': 1, 'score': 0.55407274}, {'id': 'https://openalex.org/C121608353', 'wikidata': 'https://www.wikidata.org/wiki/Q12078', 'display_name': 'Cancer', 'level': 2, 'score': 0.5227749}], 'mesh': [], 'locations_count': 3, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.5009/gnl19091', 'pdf_url': 'https://www.gutnliver.org/journal/download_pdf.php?doi=10.5009/gnl19091', 'source': {'id': 'https://openalex.org/S114420980', 'display_name': 'Gut and Liver', 'issn_l': '1976-2283', 'issn': ['1976-2283', '2005-1212'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319460', 'host_organization_name': 'Korean Association for the Study of the Liver', 'host_organization_lineage': ['https://openalex.org/P4310319460'], 'host_organization_lineage_names': ['Korean Association for the Study of the Liver'], '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/pmc7366145', 'pdf_url': 'https://europepmc.org/articles/pmc7366145?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/PMC7366145', '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}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.5009/gnl19091', 'pdf_url': 'https://www.gutnliver.org/journal/download_pdf.php?doi=10.5009/gnl19091', 'source': {'id': 'https://openalex.org/S114420980', 'display_name': 'Gut and Liver', 'issn_l': '1976-2283', 'issn': ['1976-2283', '2005-1212'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319460', 'host_organization_name': 'Korean Association for the Study of the Liver', 'host_organization_lineage': ['https://openalex.org/P4310319460'], 'host_organization_lineage_names': ['Korean Association for the Study of the Liver'], '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': [{'id': 'https://metadata.un.org/sdg/3', 'score': 0.69, 'display_name': 'Good health and well-being'}], 'grants': [{'funder': 'https://openalex.org/F4320322120', 'funder_display_name': 'National Research Foundation of Korea', 'award_id': None}, {'funder': 'https://openalex.org/F4320322347', 'funder_display_name': 'Ministry of Science ICT and Future Planning', 'award_id': '2011-0030001'}], 'datasets': [], 'versions': [], 'referenced_works_count': 52, 'referenced_works': ['https://openalex.org/W1509244479', 'https://openalex.org/W1584325896', 'https://openalex.org/W1589729841', 'https://openalex.org/W1968131030', 'https://openalex.org/W1969980017', 'https://openalex.org/W1973441145', 'https://openalex.org/W1988599811', 'https://openalex.org/W1995832481', 'https://openalex.org/W1997252338', 'https://openalex.org/W1997336465', 'https://openalex.org/W2000021262', 'https://openalex.org/W2004600840', 'https://openalex.org/W2007679905', 'https://openalex.org/W2016351603', 'https://openalex.org/W2017136861', 'https://openalex.org/W2019059919', 'https://openalex.org/W2023769072', 'https://openalex.org/W2026860891', 'https://openalex.org/W2027818069', 'https://openalex.org/W2035037423', 'https://openalex.org/W2039049050', 'https://openalex.org/W2047726503', 'https://openalex.org/W2052530514', 'https://openalex.org/W2058097188', 'https://openalex.org/W2062384572', 'https://openalex.org/W2069378448', 'https://openalex.org/W2077406052', 'https://openalex.org/W2102142721', 'https://openalex.org/W2103914489', 'https://openalex.org/W2106072901', 'https://openalex.org/W2112412030', 'https://openalex.org/W2114348562', 'https://openalex.org/W2134124314', 'https://openalex.org/W2141356663', 'https://openalex.org/W2143375633', 'https://openalex.org/W2144776283', 'https://openalex.org/W2151826056', 'https://openalex.org/W2152211277', 'https://openalex.org/W2159784476', 'https://openalex.org/W2160504871', 'https://openalex.org/W2169984358', 'https://openalex.org/W2250073450', 'https://openalex.org/W2338576041', 'https://openalex.org/W2345432309', 'https://openalex.org/W2409056232', 'https://openalex.org/W2411130816', 'https://openalex.org/W2419152771', 'https://openalex.org/W2582922499', 'https://openalex.org/W2889646458', 'https://openalex.org/W2897660059', 'https://openalex.org/W2948387191', 'https://openalex.org/W4294640205'], 'related_works': ['https://openalex.org/W3032375762', 'https://openalex.org/W3031052312', 'https://openalex.org/W2899084033', 'https://openalex.org/W2748952813', 'https://openalex.org/W2393372398', 'https://openalex.org/W2287302929', 'https://openalex.org/W2080531066', 'https://openalex.org/W2072110481', 'https://openalex.org/W1995515455', 'https://openalex.org/W1868503177'], 'abstract_inverted_index': {'Sung': [0], 'Min': [1, 19], 'Baek,': [2], 'Nayoung': [3], 'Kim,': [4, 13], 'Young': [5, 12, 21], 'Jae': [6], 'Kwon,': [7], 'Hye': [8], 'Seung': [9], 'Lee,': [10, 15], 'Hyun': [11], 'Jaebong': [14], 'Hyuk': [16], 'Yoon,': [17], 'Cheol': [18], 'Shin,': [20], 'Soo': [22], 'Park,': [23], 'and': [24, 29], 'Dong': [25], 'Ho': [26], 'Lee.': [27], 'Gut': [28], 'Liver': [30], '2020;14:439-49.': [31], 'https://doi.org/10.5009/gnl19091': [32]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2973323203', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2023, 'cited_by_count': 4}, {'year': 2022, 'cited_by_count': 9}, {'year': 2021, 'cited_by_count': 6}, {'year': 2020, 'cited_by_count': 3}], 'updated_date': '2024-09-10T06:48:01.391414', 'created_date': '2019-09-26'}