title: New vitamin B-12 gel, instead of injection.
authors.forename: E
authors.initials: E
authors.lastname: Vazquez
mesh_terms: 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*
chemical_list: D005782:Gels; D014805:Vitamin B 12