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1987 JCO Orthodontic Practice Study, Part 1: Trends

The questionnaire for the fourth biennial JCO Orthodontic Practice Study was mailed Jan. 2, 1987, to all practicing orthodontists in the United States who could be identified. Of the 8,316 that were m...

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EUGENE L. GOTTLIEB, DDS

EUGENE L. GOTTLIEB, DDS

ALLEN H. NELSON, PHD

ALLEN H. NELSON, PHD

DAVID S. VOGELS

DAVID S. VOGELS

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