title: Vitamin B12 deficiency and subclinical infection with Giardia lamblia in an adolescent with agammaglobulinemia of Bruton.
authors.affiliation: Department of Pediatrics, Medical University of South Carolina, Charleston 29425, USA.
authors.forename: S C
authors.initials: SC
authors.lastname: Springer
authors.forename: J D
authors.initials: JD
authors.lastname: Key
mesh_terms: D000293:Adolescent; D000361:Agammaglobulinemia / Q000150:complications*; D016145:Endoscopy, Digestive System; D005243:Feces / Q000469:parasitology; D005873:Giardiasis / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008286:Malabsorption Syndromes / Q000209:etiology*; D008297:Male; D012546:Schilling Test; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis / Q000209:etiology*