Intranasal cyanocobalamin.
Romeo
V D
VD
Sileno
A
A
Wenig
D N
DN
D000752:Anemia, Pernicious / Q000188:drug therapy; D006801:Humans; D009666:Nose; D014805:Vitamin B 12 / Q000008:administration & dosage*
D014805:Vitamin B 12