Effects of physico-chemical state of vit. B12 preparation in digestive tract on its absorption.
D001669:Biochemical Phenomena; D041981:Gastrointestinal Tract / Q000502:physiology*; D014805:Vitamin B 12 / Q000378:metabolism*
D014805:Vitamin B 12
GASTROINTESTINAL SYSTEM/physiology; VITAMIN B 12/metabolism