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1 Department of Orthodontics and Dental Research Institute, University of Michigan, Ann Arbor, Michigan 48104, USA
The descriptive statistics for the sella-nasion-A point (SNA) and sella-nasion-B point (SNB) angles computed from a sample of Nubian schoolchildren are presented, by age and sex, and compared with the analogous statistics for American Caucasian schoolchildren.
Submitted on July 25, 1974
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