title: A survey of vitamin use.
authors.forename: J E
authors.initials: JE
authors.lastname: Casanova
authors.forename: P
authors.initials: P
authors.lastname: Riendl
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004363:Drug Utilization; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012651:Self Medication; D014815:Vitamins / Q000008:administration & dosage*
chemical_list: D014815:Vitamins