1968 survey of dental practice. XII. Summary. Bureau of Economic Research and Statistics.
D000571:American Dental Association; D003365:Costs and Cost Analysis; D003726:Dental Assistants; D003813:Dentistry; D003815:Dentists; D004468:Economics, Dental; D004498:Education, Dental, Continuing; D005792:General Practice, Dental; D006801:Humans; D007182:Income; D014481:United States