Reduced effect of heterologous intrinsic factor after prolonged oral treatment in pernicious anaemia.
D000284:Administration, Oral; D000740:Anemia; D000752:Anemia, Pernicious / Q000628:therapy*; D005750:Gastric Juice; D006397:Hematinics; D007437:Intrinsic Factor; D014805:Vitamin B 12 / Q000627:therapeutic use*
D006397:Hematinics; D007437:Intrinsic Factor; D014805:Vitamin B 12
ANEMIA, PERNICIOUS/therapy; GASTRIC JUICE; VITAMIN B12/therapeutic use