title: Giardiasis--a cause of vitamin B 12  malabsorption.
mesh_terms: D000328:Adult; D000469:Alkaline Phosphatase / Q000032:analysis; D003036:Cobalt Isotopes; D004926:Escherichia coli / Q000302:isolation & purification; D005260:Female; D005872:Giardia / Q000302:isolation & purification; D005873:Giardiasis / Q000150:complications* / Q000188:drug therapy / Q000473:pathology; D006026:Glycoside Hydrolases / Q000032:analysis; D006801:Humans; D007408:Intestinal Absorption; D007421:Intestine, Small / Q000201:enzymology / Q000473:pathology; D008286:Malabsorption Syndromes / Q000209:etiology* / Q000473:pathology; D008297:Male; D008795:Metronidazole / Q000627:therapeutic use; D008875:Middle Aged; D011549:Pseudomonas / Q000302:isolation & purification; D014805:Vitamin B 12 / Q000378:metabolism; D014806:Vitamin B 12 Deficiency / Q000209:etiology* / Q000473:pathology
chemical_list: D003036:Cobalt Isotopes; D008795:Metronidazole; D000469:Alkaline Phosphatase; D006026:Glycoside Hydrolases; D014805:Vitamin B 12