title: THE SITE OF ABSORPTION OF CO58-LABELED VITAMIN B12 IN MAN. AN INVESTIGATION MADE BY INTESTINAL INTUBATION WITH POLYETHYLENE GLYCOL AS A MARKER SUBSTANCE.
mesh_terms: D002404:Catheterization; D003036:Cobalt Isotopes; D005853:Geriatrics; D006018:Glycols; D006397:Hematinics; D006801:Humans; D007408:Intestinal Absorption; D007440:Intubation; D011092:Polyethylene Glycols; D011095:Polyethylenes; D011868:Radioisotopes; D014805:Vitamin B 12
chemical_list: D003036:Cobalt Isotopes; D006018:Glycols; D006397:Hematinics; D011095:Polyethylenes; D011868:Radioisotopes; D011092:Polyethylene Glycols; D014805:Vitamin B 12
keywords: CATHETERIZATION; COBALT ISOTOPES; GERIATRICS; GLYCOLS; INTESTINAL ABSORPTION; POLYETHYLENES; VITAMIN B 12