1999 JCO Orthodontic Practice Study. Part. 1. Trends.
Gottlieb
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Nelson Associates, Nederland, CO, USA.
Nelson
A H
AH
Vogels
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DS
D007182:Income; D009970:Orthodontics / Q000191:economics* / Q000706:statistics & numerical data*; D011215:Practice Management, Dental / Q000191:economics / Q000706:statistics & numerical data*; D019239:Practice Patterns, Dentists' / Q000706:statistics & numerical data; D012017:Referral and Consultation / Q000706:statistics & numerical data; D014481:United States