Absorption of vitamin B12 in pernicious anaemia; defective absorption induced by prolonged oral treatment.
D000284:Administration, Oral; D000740:Anemia; D000752:Anemia, Pernicious / Q000378:metabolism*; D006397:Hematinics; D006801:Humans; D014805:Vitamin B 12 / Q000378:metabolism*
D006397:Hematinics; D014805:Vitamin B 12
ANEMIA, PERNICIOUS/metabolism; VITAMIN B12/metabolism