1997 JCO Orthodontic Practice Study. Part 1. Trends.
Gottlieb
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Nelson Associates, Nederland, CO, USA.
Nelson
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Vogels
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D000328:Adult; D006801:Humans; D007182:Income / Q000706:statistics & numerical data / Q000639:trends; D008297:Male; D008875:Middle Aged; D009970:Orthodontics / Q000706:statistics & numerical data / Q000639:trends*; D011215:Practice Management, Dental / Q000706:statistics & numerical data / Q000639:trends*; D011365:Professional Practice Location / Q000706:statistics & numerical data / Q000639:trends; D012017:Referral and Consultation / Q000706:statistics & numerical data / Q000639:trends; D011795:Surveys and Questionnaires; D014481:United States