title: Clinical inquiry: Is high-dose oral B12 a safe and effective alternative to a B12 injection?
authors.affiliation: Valley Family Medicine Residency, Renton, WA, USA.
authors.forename: Jeff
authors.initials: J
authors.lastname: Lin
authors.forename: Gary
authors.initials: G
authors.lastname: Kelsberg
authors.forename: Sarah
authors.initials: S
authors.lastname: Safranek
mesh_terms: D000284:Administration, Oral; D004305:Dose-Response Relationship, Drug; D004909:Erythrocyte Indices; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007273:Injections, Intramuscular; D016032:Randomized Controlled Trials as Topic; D014805:Vitamin B 12 / Q000008:administration & dosage* / Q000097:blood / Q000191:economics; D014806:Vitamin B 12 Deficiency / Q000188:drug therapy*; D014803:Vitamin B Complex / Q000008:administration & dosage* / Q000191:economics
chemical_list: D006454:Hemoglobins; D014803:Vitamin B Complex; D014805:Vitamin B 12