Absorption of vitamin B12 in man following extensive resection of the jejumum, and colon.
D003106:Colon; D013505:Digestive System Surgical Procedures; D006397:Hematinics; D007422:Intestines / Q000601:surgery*; D014805:Vitamin B 12 / Q000378:metabolism*
D006397:Hematinics; D014805:Vitamin B 12
INTESTINES/surgery; VITAMIN B 12/metabolism