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1 Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri. This investigation was supported in part by a TJSPHS Career Program Award (MH-18292) from the National Institute of Mental Health, and also by TJSPHS training grants MH-5804 (graduate training) and MH-7698 (general practioners' training).
Pitts et al. (Sat,) studied this question.