Dental practitioner demographics preliminary report 1998.
D000328:Adult; D017677:Age Distribution; D000368:Aged; D019992:Databases as Topic; D003710:Demography; D003815:Dentists / Q000706:statistics & numerical data* / Q000600:supply & distribution; D005792:General Practice, Dental / Q000706:statistics & numerical data; D006801:Humans; D007484:Iowa; D008875:Middle Aged; D011331:Private Practice / Q000706:statistics & numerical data; D013039:Specialties, Dental / Q000706:statistics & numerical data