Publication Information

{'id': 'https://openalex.org/W2394940540', 'doi': None, 'title': 'The ileum is the major site of absorption of vitamin B12 analogues.', 'display_name': 'The ileum is the major site of absorption of vitamin B12 analogues.', 'publication_year': 1989, 'publication_date': '1989-01-01', 'ids': {'openalex': 'https://openalex.org/W2394940540', 'mag': '2394940540', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/2912026'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/2912026', '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}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['pubmed'], '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/A5111750231', 'display_name': 'S. Shaw', 'orcid': 'https://orcid.org/0000-0003-0000-7993'}, 'institutions': [{'id': 'https://openalex.org/I1322918889', 'display_name': 'United States Department of Veterans Affairs', 'ror': 'https://ror.org/05rsv9s98', 'country_code': 'US', 'type': 'government', 'lineage': ['https://openalex.org/I1322918889']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'S Shaw', 'raw_affiliation_strings': ['Bronx Veterans Administration Medical Center, New York.'], 'affiliations': [{'raw_affiliation_string': 'Bronx Veterans Administration Medical Center, New York.', 'institution_ids': ['https://openalex.org/I1322918889']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5089105819', 'display_name': 'Elizabeth Jayatilleke', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'E Jayatilleke', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111151380', 'display_name': 'S Meyers', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'S Meyers', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5113754661', 'display_name': 'N Colman', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'N Colman', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5071469921', 'display_name': 'Barry C. Herzlich', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'B Herzlich', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5111477502', 'display_name': 'Victor Herbert', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'V Herbert', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 1.663, 'has_fulltext': False, 'cited_by_count': 25, 'citation_normalized_percentile': {'value': 0.839694, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 87, 'max': 88}, 'biblio': {'volume': '84', 'issue': '1', 'first_page': '22', 'last_page': '6'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12089', 'display_name': 'Intestinal and Peritoneal Adhesions', 'score': 0.9684, '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/T12089', 'display_name': 'Intestinal and Peritoneal Adhesions', 'score': 0.9684, '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/T12554', 'display_name': 'Vitamin C and Antioxidants Research', 'score': 0.9259, 'subfield': {'id': 'https://openalex.org/subfields/2916', 'display_name': 'Nutrition and Dietetics'}, 'field': {'id': 'https://openalex.org/fields/29', 'display_name': 'Nursing'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T13569', 'display_name': 'Microscopic Colitis', 'score': 0.9072, 'subfield': {'id': 'https://openalex.org/subfields/2713', 'display_name': 'Epidemiology'}, '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/intrinsic-factor', 'display_name': 'Intrinsic factor', 'score': 0.60241205}, {'id': 'https://openalex.org/keywords/pernicious-anemia', 'display_name': 'pernicious anemia', 'score': 0.56183726}, {'id': 'https://openalex.org/keywords/ileitis', 'display_name': 'Ileitis', 'score': 0.4277506}], 'concepts': [{'id': 'https://openalex.org/C2779750884', 'wikidata': 'https://www.wikidata.org/wiki/Q187706', 'display_name': 'Vitamin B12', 'level': 2, 'score': 0.8702539}, {'id': 'https://openalex.org/C90924648', 'wikidata': 'https://www.wikidata.org/wiki/Q120569', 'display_name': 'Gastroenterology', 'level': 1, 'score': 0.77039295}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.7598575}, {'id': 'https://openalex.org/C2780479503', 'wikidata': 'https://www.wikidata.org/wiki/Q1477', 'display_name': 'Ulcerative colitis', 'level': 3, 'score': 0.7080389}, {'id': 'https://openalex.org/C2778271842', 'wikidata': 'https://www.wikidata.org/wiki/Q838966', 'display_name': 'Irritable bowel syndrome', 'level': 2, 'score': 0.6835587}, {'id': 'https://openalex.org/C126322002', 'wikidata': 'https://www.wikidata.org/wiki/Q11180', 'display_name': 'Internal medicine', 'level': 1, 'score': 0.65564287}, {'id': 'https://openalex.org/C2780676250', 'wikidata': 'https://www.wikidata.org/wiki/Q187706', 'display_name': 'Cobalamin', 'level': 3, 'score': 0.61334467}, {'id': 'https://openalex.org/C2777569460', 'wikidata': 'https://www.wikidata.org/wiki/Q410153', 'display_name': 'Intrinsic factor', 'level': 3, 'score': 0.60241205}, {'id': 'https://openalex.org/C2777226302', 'wikidata': 'https://www.wikidata.org/wiki/Q233345', 'display_name': 'Ileum', 'level': 2, 'score': 0.5928432}, {'id': 'https://openalex.org/C2775916456', 'wikidata': 'https://www.wikidata.org/wiki/Q1346016', 'display_name': 'pernicious anemia', 'level': 3, 'score': 0.56183726}, {'id': 'https://openalex.org/C2780439177', 'wikidata': 'https://www.wikidata.org/wiki/Q1442923', 'display_name': 'Malabsorption', 'level': 2, 'score': 0.44091964}, {'id': 'https://openalex.org/C2780941987', 'wikidata': 'https://www.wikidata.org/wiki/Q3796380', 'display_name': 'Ileitis', 'level': 4, 'score': 0.4277506}, {'id': 'https://openalex.org/C2775862500', 'wikidata': 'https://www.wikidata.org/wiki/Q2453464', 'display_name': 'Colitis', 'level': 2, 'score': 0.41547197}, {'id': 'https://openalex.org/C2778248108', 'wikidata': 'https://www.wikidata.org/wiki/Q5445', 'display_name': 'Anemia', 'level': 2, 'score': 0.3426897}, {'id': 'https://openalex.org/C134018914', 'wikidata': 'https://www.wikidata.org/wiki/Q162606', 'display_name': 'Endocrinology', 'level': 1, 'score': 0.32034355}, {'id': 'https://openalex.org/C2779280984', 'wikidata': 'https://www.wikidata.org/wiki/Q1472', 'display_name': "Crohn's disease", 'level': 3, 'score': 0.2720973}, {'id': 'https://openalex.org/C2779134260', 'wikidata': 'https://www.wikidata.org/wiki/Q12136', 'display_name': 'Disease', 'level': 2, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D007082', 'descriptor_name': 'Ileum', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D014805', 'descriptor_name': 'Vitamin B 12', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D000752', 'descriptor_name': 'Anemia, Pernicious', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000752', 'descriptor_name': 'Anemia, Pernicious', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D000900', 'descriptor_name': 'Anti-Bacterial Agents', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000900', 'descriptor_name': 'Anti-Bacterial Agents', 'qualifier_ui': 'Q000627', 'qualifier_name': 'therapeutic use', 'is_major_topic': False}, {'descriptor_ui': 'D005767', 'descriptor_name': 'Gastrointestinal Diseases', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005767', 'descriptor_name': 'Gastrointestinal Diseases', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D005767', 'descriptor_name': 'Gastrointestinal Diseases', 'qualifier_ui': 'Q000188', 'qualifier_name': 'drug therapy', 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007079', 'descriptor_name': 'Ileitis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007079', 'descriptor_name': 'Ileitis', 'qualifier_ui': 'Q000601', 'qualifier_name': 'surgery', 'is_major_topic': False}, {'descriptor_ui': 'D007082', 'descriptor_name': 'Ileum', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014805', 'descriptor_name': 'Vitamin B 12', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014805', 'descriptor_name': 'Vitamin B 12', 'qualifier_ui': 'Q000031', 'qualifier_name': 'analogs & derivatives', 'is_major_topic': False}], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/2912026', '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': None, 'sustainable_development_goals': [{'display_name': 'Good health and well-being', 'score': 0.58, 'id': 'https://metadata.un.org/sdg/3'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W2951406559', 'https://openalex.org/W2623555694', 'https://openalex.org/W2394940540', 'https://openalex.org/W2103574660', 'https://openalex.org/W2067508148', 'https://openalex.org/W2064337776', 'https://openalex.org/W2030946615', 'https://openalex.org/W2018330121', 'https://openalex.org/W1996664574', 'https://openalex.org/W1558449207'], 'abstract_inverted_index': {'Non-cobalamin': [0], 'vitamin': [1, 42, 141], 'B12': [2, 37, 43, 84, 97, 111, 119, 142], 'analogues': [3, 21, 38, 45, 98, 120], 'constitute': [4], 'a': [5, 127], 'significant': [6], 'percentage': [7], 'of': [8, 18, 20, 32, 36, 83, 130, 140], 'total': [9, 94], 'corrinoids': [10], 'in': [11, 46, 99, 123], 'human': [12], 'serum.': [13], 'The': [14], 'source': [15], 'and': [16, 22, 34, 44, 63, 93, 112, 133, 137], 'means': [17], 'absorption': [19, 35], 'their': [23, 148], 'significance': [24], 'are': [25, 121], 'largely': [26], 'unknown.': [27], 'We': [28], 'studied': [29], 'the': [30, 100, 124], 'sites': [31], 'production': [33], 'by': [39, 126], 'measuring': [40], 'serum': [41, 118], '93': [47], 'patients': [48], 'with': [49, 69, 87, 104], 'various': [50], 'gastrointestinal': [51], 'diseases:': [52], 'pernicious': [53], 'anemia': [54], '(PA),': [55], 'ileal': [56], 'resections,': [57], 'ileitis,': [58], "Crohn's": [59, 89], 'colitis,': [60, 62, 90, 92], 'ulcerative': [61, 91], 'irritable': [64], 'bowel': [65], 'syndrome': [66], '(IBS).': [67], 'Patients': [68, 86, 103], 'PA': [70], 'had': [71, 96, 109], 'normal': [72, 101], 'analogue': [73], 'levels': [74], 'that': [75, 79, 117, 134], 'were': [76], 'unchanged': [77], 'or': [78, 106], 'rose': [80], 'during': [81], 'cessation': [82], 'administration.': [85], 'IBS,': [88], 'colectomies': [95], 'range.': [102], 'diseased': [105], 'resected': [107], 'ileums': [108], 'low': [110], 'analogues.': [113], 'These': [114], 'data': [115], 'suggest': [116], 'absorbed': [122], 'ileum': [125], 'mechanism': [128], 'independent': [129], 'intrinsic': [131], 'factor,': [132], 'colonic': [135], 'bacteria': [136], 'endogenous': [138], 'metabolism': [139], 'do': [143], 'not': [144], 'contribute': [145], 'significantly': [146], 'to': [147], 'level.': [149]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2394940540', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2023, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 3}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2025-01-16T20:55:26.735388', 'created_date': '2016-06-24'}