Cobalamin deficiency in elderly patients.
Wetterberg
S Peter
SP
D000284:Administration, Oral; D000752:Anemia, Pernicious / Q000188:drug therapy / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D007267:Injections; D014805:Vitamin B 12 / Q000008:administration & dosage / Q000266:history*; D014806:Vitamin B 12 Deficiency / Q000188:drug therapy* / Q000266:history
D014805:Vitamin B 12