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1 Department of Psychiatry, Washington University School of Medicine, 4940 Audubon Avenue, St. Louis, Missouri. The unstinting cooperation of Mr. Vearl Harris of the St. Louis office of the Missouri State Board of Probation and Parole is gratefully acknowledged. Without his constant help this study could not have been accomplished. This study was supported in part by the following USPHS grants: MH 5938, MH 5804 and MH 7081.
Samuel B. Guzé (Mon,) studied this question.