title: Intestinal absorption of radioactive vitamin B 12: a comparison of plasma, faecal and urinary tests.
mesh_terms: D003037:Cobalt Radioisotopes; D005243:Feces / Q000378:metabolism; D006801:Humans; D007408:Intestinal Absorption; D008286:Malabsorption Syndromes / Q000378:metabolism*; D012546:Schilling Test; D013182:Sprue, Tropical / Q000378:metabolism; D014805:Vitamin B 12 / Q000097:blood / Q000378:metabolism* / Q000652:urine
chemical_list: D003037:Cobalt Radioisotopes; D014805:Vitamin B 12