title: B12 supplementation: must be parenteral.
authors.affiliation: Department of Medicine, Brown University, RI, USA. PODMD@aol.com
authors.forename: P
authors.initials: P
authors.lastname: O'Dowd
mesh_terms: D000284:Administration, Oral; D000368:Aged; D019587:Dietary Supplements; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D007263:Infusions, Parenteral; D008297:Male; D008875:Middle Aged; D012680:Sensitivity and Specificity; D014805:Vitamin B 12 / Q000008:administration & dosage*; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis / Q000188:drug therapy*
chemical_list: D014805:Vitamin B 12