New vitamin B-12 gel, instead of injection.
Vazquez
E
E
D000281:Administration, Intranasal; D005782:Gels; D015658:HIV Infections / Q000150:complications; D006801:Humans; D008569:Memory Disorders / Q000188:drug therapy; D014805:Vitamin B 12 / Q000008:administration & dosage*
D005782:Gels; D014805:Vitamin B 12