Twice yearly vitamin B12 therapy in pernicious anemia.
D000740:Anemia; D000750:Anemia, Myelophthisic / Q000628:therapy*; D000752:Anemia, Pernicious; D014805:Vitamin B 12 / Q000628:therapy*
D014805:Vitamin B 12
ANEMIA, LEUKOERYTHROBLASTIC/therapy; VITAMIN B 12/therapy