title: 1993 JCO orthodontic practice study. Part 1. Trends.
authors.affiliation: Nelson Associates, Nederland, CO.
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; 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