title: Intestinal absorption and concurrent chemical changes of methylcobalamin.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D001711:Biotransformation; D002247:Carbon Isotopes; D002432:Cecum / Q000032:analysis; D003036:Cobalt Isotopes; D003038:Cobamides / Q000008:administration & dosage / Q000032:analysis / Q000097:blood / Q000378:metabolism; D003067:Coenzymes / Q000378:metabolism; D005243:Feces / Q000032:analysis; D006801:Humans; D007273:Injections, Intramuscular; D007408:Intestinal Absorption; D007421:Intestine, Small / Q000032:analysis; D007437:Intrinsic Factor / Q000378:metabolism; D008099:Liver / Q000032:analysis; D010782:Photolysis; D051381:Rats; D012546:Schilling Test; D014805:Vitamin B 12 / Q000008:administration & dosage / Q000032:analysis / Q000097:blood / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D003036:Cobalt Isotopes; D003038:Cobamides; D003067:Coenzymes; D007437:Intrinsic Factor; D014805:Vitamin B 12