1993 JCO orthodontic practice study. Part 1. Trends.
Gottlieb
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Nelson Associates, Nederland, CO.
Nelson
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Vogels
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D000328:Adult; D000329:Advertising; D002201:Capital Expenditures; D005250:Fees, Dental; D006801:Humans; D007182:Income; D009970:Orthodontics / Q000191:economics / Q000706:statistics & numerical data / Q000639:trends*; D011215:Practice Management, Dental / Q000639:trends*; D010818:Practice Patterns, Physicians' / Q000639:trends; D011364:Professional Practice / Q000639:trends; D011365:Professional Practice Location; D011795:Surveys and Questionnaires; D014481:United States