title: 1997 JCO Orthodontic Practice Study. Part 1. Trends.
authors.affiliation: Nelson Associates, Nederland, CO, 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: 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