[Vitamin B 12 deficiency and folic acid deficiency--in the first place a problem for primary health care?].
Norberg
Bo
B
D005194:Family Practice; D005494:Folic Acid Deficiency / Q000175:diagnosis*; D006801:Humans; D011320:Primary Health Care; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis*