[Vitamin B12 absorption following stomach resection].
D001669:Biochemical Phenomena; D013505:Digestive System Surgical Procedures; D005743:Gastrectomy; D006801:Humans; D013270:Stomach; D014805:Vitamin B 12 / Q000378:metabolism*
D014805:Vitamin B 12
GASTRECTOMY; VITAMIN B 12/metabolism