{"id":"https://openalex.org/W207446237","doi":null,"title":"The relation between ileal resection and vitamin B12 absorption.","display_name":"The relation between ileal resection and vitamin B12 absorption.","publication_year":1977,"publication_date":"1977-09-01","ids":{"openalex":"https://openalex.org/W207446237","mag":"207446237","pmid":"https://pubmed.ncbi.nlm.nih.gov/890622"},"language":"en","primary_location":{"id":"pmid:890622","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/890622","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Canadian journal of surgery. Journal canadien de chirurgie","raw_type":"Journal Article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109942446","display_name":"W. Grant Thompson","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"W G Thompson","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5037255968","display_name":"E Wrathell","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E Wrathell","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":53,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":98},"biblio":{"volume":"20","issue":"5","first_page":"461","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10499","display_name":"Folate and B Vitamins Research","score":0.44119998812675476,"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"}},"topics":[{"id":"https://openalex.org/T10499","display_name":"Folate and B Vitamins Research","score":0.44119998812675476,"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/T10858","display_name":"Clinical Nutrition and Gastroenterology","score":0.3122999966144562,"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/T11348","display_name":"Celiac Disease Research and Management","score":0.044599998742341995,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/ileal-resection","display_name":"ileal resection","score":0.9610000252723694},{"id":"https://openalex.org/keywords/vitamin-b12-absorption","display_name":"vitamin B12 absorption","score":0.9350000023841858},{"id":"https://openalex.org/keywords/terminal-ileum","display_name":"terminal ileum","score":0.9929999709129333},{"id":"https://openalex.org/keywords/schilling-test","display_name":"Schilling test","score":0.7879999876022339},{"id":"https://openalex.org/keywords/fat-malabsorption","display_name":"fat malabsorption","score":0.921999990940094},{"id":"https://openalex.org/keywords/ileal-dysfunction","display_name":"ileal dysfunction","score":0.765999972820282}],"concepts":[{"id":"https://openalex.org/C2777226302","wikidata":"https://www.wikidata.org/wiki/Q233345","display_name":"Ileum","level":2,"score":0.9356259703636169},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8730647563934326},{"id":"https://openalex.org/C2779750884","wikidata":"https://www.wikidata.org/wiki/Q187706","display_name":"Vitamin B12","level":2,"score":0.7900975942611694},{"id":"https://openalex.org/C90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","level":1,"score":0.7294349074363708},{"id":"https://openalex.org/C2777378192","wikidata":"https://www.wikidata.org/wiki/Q233345","display_name":"Terminal ileum","level":3,"score":0.7090682983398438},{"id":"https://openalex.org/C2780439177","wikidata":"https://www.wikidata.org/wiki/Q1442923","display_name":"Malabsorption","level":2,"score":0.668323278427124},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5744789242744446}],"mesh":[{"descriptor_ui":"D005243","descriptor_name":"Feces","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007082","descriptor_name":"Ileum","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":true},{"descriptor_ui":"D007408","descriptor_name":"Intestinal Absorption","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D008055","descriptor_name":"Lipids","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D008286","descriptor_name":"Malabsorption Syndromes","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D008722","descriptor_name":"Methods","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011183","descriptor_name":"Postoperative Complications","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014805","descriptor_name":"Vitamin B 12","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true}],"locations_count":2,"locations":[{"id":"pmid:890622","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/890622","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Canadian journal of surgery. Journal canadien de chirurgie","raw_type":"Journal Article"},{"id":"mag:207446237","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/890622","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.9922999739646912,"id":"https://metadata.un.org/sdg/3"},{"display_name":"Zero hunger","score":0.40450000762939453,"id":"https://metadata.un.org/sdg/2"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1965129003","https://openalex.org/W147517836","https://openalex.org/W1683370326","https://openalex.org/W2043577893","https://openalex.org/W2051217274","https://openalex.org/W2049506584","https://openalex.org/W2010673037","https://openalex.org/W1965988896","https://openalex.org/W187840447","https://openalex.org/W2413220426"],"abstract_inverted_index":{"Over":[0],"15":[1],"years,":[2],"33":[3],"patients,":[4],"who":[5,29,79],"had":[6,7,16,30,68,80,88],"36":[8],"ileal":[9,109,154],"resections":[10],"that":[11],"included":[12],"the":[13,21,59,94,100,106,150],"terminal":[14,117,133,153],"ileum,":[15],"Schilling":[17,95,144],"tests":[18,54],"to":[19,105,112,120],"measure":[20],"absorption":[22,124],"of":[23,35,58,65,76,85,93,99,108,116,132,149,152],"vitamin":[24,122],"B12.":[25],"In":[26],"11":[27],"patients":[28,46,60,78],"60":[31,50,63,83,113,130],"cm":[32,51,64,84,131],"or":[33],"more":[34,128],"ileum":[36,66,86,118,134],"removed,":[37,136],"only":[38],"one":[39],"test":[40,145],"was":[41],"normal,":[42],"while":[43],"in":[44],"25":[45],"with":[47,61],"less":[48,81],"than":[49,82,129],"resected,":[52],"17":[53],"were":[55,73],"normal.":[56,74],"Seven":[57],"over":[62],"resected":[67,87],"stool-fat":[69,90,101],"estimations":[70],"and":[71,138],"none":[72],"Eight":[75],"10":[77],"normal":[89],"estimations.":[91],"Results":[92],"test,":[96],"but":[97],"not":[98],"estimations,":[102],"are":[103,141],"proportional":[104],"length":[107],"resection,":[110],"up":[111],"cm.":[114],"Retention":[115],"tends":[119],"preserve":[121],"B12":[123,139],"capacity.":[125],"Thus,":[126],"if":[127],"is":[135,146],"fat":[137],"malabsorption":[140],"likely.":[142],"The":[143],"an":[147],"indicator":[148],"degree":[151],"dysfunction.":[155]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}