title: An unusual cause of vitamin B12 and iron deficiency.
authors.affiliation: School of Medicine, University of California, Irvine, CA, USA.
authors.forename: Shelley
authors.initials: S
authors.lastname: Maithel
authors.affiliation: School of Medicine, University of California, Irvine, CA, USA.
authors.forename: Alex K
authors.initials: AK
authors.lastname: Duong
authors.affiliation: School of Medicine, University of California, Irvine, CA, USA.
authors.forename: Jonathan
authors.initials: J
authors.lastname: Zhang
authors.affiliation: Assistant Clinical Professor, Comprehensive Digestive Disease Center, Division of Gastroenterology and Hepatology, University of California, Irvine, CA, USA. E-mail: douglaln@uci.edu.
authors.forename: Douglas L
authors.initials: DL
authors.lastname: Nguyen
mesh_terms: D000368:Aged; D018798:Anemia, Iron-Deficiency / Q000209:etiology*; D004169:Diphyllobothriasis / Q000150:complications*; D004378:Duodenal Diseases / Q000150:complications*; D005260:Female; D006801:Humans; D014806:Vitamin B 12 Deficiency / Q000209:etiology*