title: [Letter: Schilling test].
mesh_terms: D000752:Anemia, Pernicious / Q000175:diagnosis*; D005188:False Negative Reactions; D006801:Humans; D012546:Schilling Test; D014805:Vitamin B 12 / Q000652:urine
chemical_list: D014805:Vitamin B 12
vernacular_title: Schilling-Test.