title: 2001 JCO Orthodontic Practice Study. Part 1. Trends.
authors.affiliation: Journal of Clinical Orthodontics, Boulder, CO 80302, USA.
authors.forename: E L
authors.initials: EL
authors.lastname: Gottlieb
authors.forename: A H
authors.initials: AH
authors.lastname: Nelson
authors.forename: D S
authors.initials: DS
authors.lastname: Vogels
mesh_terms: D006801:Humans; D007182:Income / Q000706:statistics & numerical data; D009970:Orthodontics / Q000191:economics* / Q000458:organization & administration / Q000706:statistics & numerical data* / Q000639:trends; D011215:Practice Management, Dental / Q000191:economics / Q000706:statistics & numerical data*; D019239:Practice Patterns, Dentists' / Q000706:statistics & numerical data*; D011365:Professional Practice Location / Q000706:statistics & numerical data; D012017:Referral and Consultation / Q000706:statistics & numerical data; D014481:United States