The binding of vitamin B12 by Castle's intrinsic factor.
D001669:Biochemical Phenomena; D055592:Biophysical Phenomena; D045728:Corrinoids; D005750:Gastric Juice; D006801:Humans; D007437:Intrinsic Factor; D014805:Vitamin B 12 / Q000378:metabolism*
D045728:Corrinoids; D007437:Intrinsic Factor; D014805:Vitamin B 12
GASTRIC JUICE; VITAMIN B12/metabolism