Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W3090796280', 'doi': 'https://doi.org/10.1016/j.jamcollsurg.2020.08.168', 'title': 'Veterans Affairs Hospitals Do More with Less: Comparison of Enrollment Rate of Veterans Affairs Hospitals vs Non- Veterans Affairs Sites in a Large Multi-Center Clinical Trial', 'display_name': 'Veterans Affairs Hospitals Do More with Less: Comparison of Enrollment Rate of Veterans Affairs Hospitals vs Non- Veterans Affairs Sites in a Large Multi-Center Clinical Trial', 'publication_year': 2020, 'publication_date': '2020-10-01', 'ids': {'openalex': 'https://openalex.org/W3090796280', 'doi': 'https://doi.org/10.1016/j.jamcollsurg.2020.08.168', 'mag': '3090796280'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.jamcollsurg.2020.08.168', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S134316426', 'display_name': 'Journal of the American College of Surgeons', 'issn_l': '1072-7515', 'issn': ['1072-7515', '1879-1190'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315671', 'host_organization_name': 'Lippincott Williams & Wilkins', 'host_organization_lineage': ['https://openalex.org/P4310315671', 'https://openalex.org/P4310318547'], 'host_organization_lineage_names': ['Lippincott Williams & Wilkins', 'Wolters Kluwer'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5024374488', 'display_name': 'Matthew T. Menard', 'orcid': 'https://orcid.org/0000-0003-2470-7978'}, 'institutions': [{'id': 'https://openalex.org/I2803065977', 'display_name': 'Portland VA Medical Center', 'ror': 'https://ror.org/02v3txv81', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1322918889', 'https://openalex.org/I2799886695', 'https://openalex.org/I2803065977', 'https://openalex.org/I4210144745']}, {'id': 'https://openalex.org/I4210087915', 'display_name': 'Massachusetts General Hospital', 'ror': 'https://ror.org/002pd6e78', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210087915', 'https://openalex.org/I48633490']}, {'id': 'https://openalex.org/I1283280774', 'display_name': "Brigham and Women's Hospital", 'ror': 'https://ror.org/04b6nzv94', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1283280774', 'https://openalex.org/I48633490']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Matthew Menard', 'raw_affiliation_strings': ['Boston Medical Center, Boston, MA', 'Brigham and Womens Hospital, Boston, MA', 'Healthcore, Watertown, MA', 'Massachussets General Hospital, Boston, MA', 'Portland VA, Portland, OR'], 'affiliations': [{'raw_affiliation_string': 'Portland VA, Portland, OR', 'institution_ids': ['https://openalex.org/I2803065977']}, {'raw_affiliation_string': 'Massachussets General Hospital, Boston, MA', 'institution_ids': ['https://openalex.org/I4210087915']}, {'raw_affiliation_string': 'Brigham and Womens Hospital, Boston, MA', 'institution_ids': ['https://openalex.org/I1283280774']}, {'raw_affiliation_string': 'Healthcore, Watertown, MA', 'institution_ids': []}, {'raw_affiliation_string': 'Boston Medical Center, Boston, MA', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5082989831', 'display_name': 'Matthew C. Koopmann', 'orcid': 'https://orcid.org/0000-0002-3551-797X'}, 'institutions': [{'id': 'https://openalex.org/I2803065977', 'display_name': 'Portland VA Medical Center', 'ror': 'https://ror.org/02v3txv81', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1322918889', 'https://openalex.org/I2799886695', 'https://openalex.org/I2803065977', 'https://openalex.org/I4210144745']}, {'id': 'https://openalex.org/I4210087915', 'display_name': 'Massachusetts General Hospital', 'ror': 'https://ror.org/002pd6e78', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210087915', 'https://openalex.org/I48633490']}, {'id': 'https://openalex.org/I1283280774', 'display_name': "Brigham and Women's Hospital", 'ror': 'https://ror.org/04b6nzv94', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1283280774', 'https://openalex.org/I48633490']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Matthew Koopmann', 'raw_affiliation_strings': ['Boston Medical Center, Boston, MA', 'Brigham and Womens Hospital, Boston, MA', 'Healthcore, Watertown, MA', 'Massachussets General Hospital, Boston, MA', 'Portland VA, Portland, OR'], 'affiliations': [{'raw_affiliation_string': 'Portland VA, Portland, OR', 'institution_ids': ['https://openalex.org/I2803065977']}, {'raw_affiliation_string': 'Massachussets General Hospital, Boston, MA', 'institution_ids': ['https://openalex.org/I4210087915']}, {'raw_affiliation_string': 'Brigham and Womens Hospital, Boston, MA', 'institution_ids': ['https://openalex.org/I1283280774']}, {'raw_affiliation_string': 'Healthcore, Watertown, MA', 'institution_ids': []}, {'raw_affiliation_string': 'Boston Medical Center, Boston, MA', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5064175383', 'display_name': 'M. Fernández Rodríguez', 'orcid': 'https://orcid.org/0000-0002-4408-6366'}, 'institutions': [{'id': 'https://openalex.org/I2803065977', 'display_name': 'Portland VA Medical Center', 'ror': 'https://ror.org/02v3txv81', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1322918889', 'https://openalex.org/I2799886695', 'https://openalex.org/I2803065977', 'https://openalex.org/I4210144745']}, {'id': 'https://openalex.org/I4210087915', 'display_name': 'Massachusetts General Hospital', 'ror': 'https://ror.org/002pd6e78', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210087915', 'https://openalex.org/I48633490']}, {'id': 'https://openalex.org/I1283280774', 'display_name': "Brigham and Women's Hospital", 'ror': 'https://ror.org/04b6nzv94', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1283280774', 'https://openalex.org/I48633490']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Maria F. Villarreal Rodriguez', 'raw_affiliation_strings': ['Boston Medical Center, Boston, MA', 'Brigham and Womens Hospital, Boston, MA', 'Healthcore, Watertown, MA', 'Massachussets General Hospital, Boston, MA', 'Portland VA, Portland, OR'], 'affiliations': [{'raw_affiliation_string': 'Portland VA, Portland, OR', 'institution_ids': ['https://openalex.org/I2803065977']}, {'raw_affiliation_string': 'Massachussets General Hospital, Boston, MA', 'institution_ids': ['https://openalex.org/I4210087915']}, {'raw_affiliation_string': 'Brigham and Womens Hospital, Boston, MA', 'institution_ids': ['https://openalex.org/I1283280774']}, {'raw_affiliation_string': 'Healthcore, Watertown, MA', 'institution_ids': []}, {'raw_affiliation_string': 'Boston Medical Center, Boston, MA', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5067847196', 'display_name': 'Susan F. Assmann', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2803065977', 'display_name': 'Portland VA Medical Center', 'ror': 'https://ror.org/02v3txv81', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1322918889', 'https://openalex.org/I2799886695', 'https://openalex.org/I2803065977', 'https://openalex.org/I4210144745']}, {'id': 'https://openalex.org/I4210087915', 'display_name': 'Massachusetts General Hospital', 'ror': 'https://ror.org/002pd6e78', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210087915', 'https://openalex.org/I48633490']}, {'id': 'https://openalex.org/I1283280774', 'display_name': "Brigham and Women's Hospital", 'ror': 'https://ror.org/04b6nzv94', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1283280774', 'https://openalex.org/I48633490']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Susan Assmann', 'raw_affiliation_strings': ['Boston Medical Center, Boston, MA', 'Brigham and Womens Hospital, Boston, MA', 'Healthcore, Watertown, MA', 'Massachussets General Hospital, Boston, MA', 'Portland VA, Portland, OR'], 'affiliations': [{'raw_affiliation_string': 'Boston Medical Center, Boston, MA', 'institution_ids': []}, {'raw_affiliation_string': 'Portland VA, Portland, OR', 'institution_ids': ['https://openalex.org/I2803065977']}, {'raw_affiliation_string': 'Massachussets General Hospital, Boston, MA', 'institution_ids': ['https://openalex.org/I4210087915']}, {'raw_affiliation_string': 'Brigham and Womens Hospital, Boston, MA', 'institution_ids': ['https://openalex.org/I1283280774']}, {'raw_affiliation_string': 'Healthcore, Watertown, MA', 'institution_ids': []}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5027226502', 'display_name': 'Kenneth Rosenfield', 'orcid': 'https://orcid.org/0000-0002-5633-6983'}, 'institutions': [{'id': 'https://openalex.org/I2803065977', 'display_name': 'Portland VA Medical Center', 'ror': 'https://ror.org/02v3txv81', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1322918889', 'https://openalex.org/I2799886695', 'https://openalex.org/I2803065977', 'https://openalex.org/I4210144745']}, {'id': 'https://openalex.org/I4210087915', 'display_name': 'Massachusetts General Hospital', 'ror': 'https://ror.org/002pd6e78', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I4210087915', 'https://openalex.org/I48633490']}, {'id': 'https://openalex.org/I1283280774', 'display_name': "Brigham and Women's Hospital", 'ror': 'https://ror.org/04b6nzv94', 'country_code': 'US', 'type': 'healthcare', 'lineage': ['https://openalex.org/I1283280774', 'https://openalex.org/I48633490']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Kenneth Rosenfield', 'raw_affiliation_strings': ['Boston Medical Center, Boston, MA', 'Brigham and Womens Hospital, Boston, MA', 'Healthcore, Watertown, MA', 'Massachussets General Hospital, Boston, MA', 'Portland VA, Portland, OR'], 'affiliations': [{'raw_affiliation_string': 'Boston Medical Center, Boston, MA', 'institution_ids': []}, {'raw_affiliation_string': 'Portland VA, Portland, OR', 'institution_ids': ['https://openalex.org/I2803065977']}, {'raw_affiliation_string': 'Massachussets General Hospital, Boston, MA', 'institution_ids': ['https://openalex.org/I4210087915']}, {'raw_affiliation_string': 'Brigham and Womens Hospital, Boston, MA', 'institution_ids': ['https://openalex.org/I1283280774']}, {'raw_affiliation_string': 'Healthcore, Watertown, MA', 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 61}, 'biblio': {'volume': '231', 'issue': '4', 'first_page': 'e69', 'last_page': 'e69'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11590', 'display_name': 'Contribution of Primary Care to Health Systems and Health', 'score': 0.9983, 'subfield': {'id': 'https://openalex.org/subfields/3600', 'display_name': 'General Health Professions'}, 'field': {'id': 'https://openalex.org/fields/36', 'display_name': 'Health Professions'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T11590', 'display_name': 'Contribution of Primary Care to Health Systems and Health', 'score': 0.9983, 'subfield': {'id': 'https://openalex.org/subfields/3600', 'display_name': 'General Health Professions'}, 'field': {'id': 'https://openalex.org/fields/36', 'display_name': 'Health Professions'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T10391', 'display_name': 'Economics of Health Care Systems and Policies', 'score': 0.9935, 'subfield': {'id': 'https://openalex.org/subfields/2002', 'display_name': 'Economics and Econometrics'}, 'field': {'id': 'https://openalex.org/fields/20', 'display_name': 'Economics, Econometrics and Finance'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T11930', 'display_name': 'Perioperative Cardiac Risk Assessment and Management', 'score': 0.9813, 'subfield': {'id': 'https://openalex.org/subfields/2705', 'display_name': 'Cardiology and Cardiovascular Medicine'}, '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/veterans-affairs', 'display_name': 'Veterans Affairs', 'score': 0.9798871}, {'id': 'https://openalex.org/keywords/center', 'display_name': 'Center (category theory)', 'score': 0.56084347}, {'id': 'https://openalex.org/keywords/health-care-utilization', 'display_name': 'Health Care Utilization', 'score': 0.49615}], 'concepts': [{'id': 'https://openalex.org/C2775969662', 'wikidata': 'https://www.wikidata.org/wiki/Q7923600', 'display_name': 'Veterans Affairs', 'level': 2, 'score': 0.9798871}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.94462085}, {'id': 'https://openalex.org/C2779463800', 'wikidata': 'https://www.wikidata.org/wiki/Q5062222', 'display_name': 'Center (category theory)', 'level': 2, 'score': 0.56084347}, {'id': 'https://openalex.org/C512399662', 'wikidata': 'https://www.wikidata.org/wiki/Q3505712', 'display_name': 'Family medicine', 'level': 1, 'score': 0.4198814}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.11693475}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C8010536', 'wikidata': 'https://www.wikidata.org/wiki/Q160398', 'display_name': 'Crystallography', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.jamcollsurg.2020.08.168', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S134316426', 'display_name': 'Journal of the American College of Surgeons', 'issn_l': '1072-7515', 'issn': ['1072-7515', '1879-1190'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315671', 'host_organization_name': 'Lippincott Williams & Wilkins', 'host_organization_lineage': ['https://openalex.org/P4310315671', 'https://openalex.org/P4310318547'], 'host_organization_lineage_names': ['Lippincott Williams & Wilkins', 'Wolters Kluwer'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Quality education', 'id': 'https://metadata.un.org/sdg/4', 'score': 0.4}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W3108674512', 'https://openalex.org/W3032375762', 'https://openalex.org/W3031052312', 'https://openalex.org/W2899084033', 'https://openalex.org/W2748952813', 'https://openalex.org/W2604872355', 'https://openalex.org/W2080531066', 'https://openalex.org/W2048182022', 'https://openalex.org/W1995515455', 'https://openalex.org/W1506200166'], 'abstract_inverted_index': {'Menard,': [0], 'Matthew': [1, 4], 'MD;': [2, 5, 10], 'Koopmann,': [3], 'Villarreal': [6], 'Rodriguez,': [7], 'Maria': [8], 'F.': [9], 'Assmann,': [11], 'Susan': [12], 'PHD;': [13], 'Rosenfield,': [14], 'Kenneth': [15], 'MD': [16], 'Author': [17], 'Information': [18]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3090796280', 'counts_by_year': [], 'updated_date': '2024-09-19T11:46:01.223029', 'created_date': '2020-10-08'}