title: [Biologic activity of various intrinsic factor preparations in Schilling's test].
abstract: In 16 patients with pernicious anaemia investigations concerning the biological activity of 7 different Intrinsic-factor praeparations by means of the urinary excretion test were performed. Oral longterm-pretreatment with IF and biologically inactive IF-praeparations may cause false pathologic results.
mesh_terms: D000284:Administration, Oral; D000752:Anemia, Pernicious / Q000188:drug therapy; D006801:Humans; D007437:Intrinsic Factor / Q000008:administration & dosage / Q000032:analysis* / Q000627:therapeutic use; D012546:Schilling Test
chemical_list: D007437:Intrinsic Factor
vernacular_title: Biologische Aktivität verschiedener Intriniscfaktor-Präparationen im Schillingtest