Volume of dental visits. United States--July 1963-June 1964.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003813:Dentistry; D004468:Economics, Dental; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013223:Statistics as Topic; D014481:United States