Key points are not available for this paper at this time.
Departments of Psychiatry University of North Carolina School of Medicine, Chapel Hill 1Psychiatry University of North Carolina School of Medicine, Chapel Hill 2Medicine, University of North Carolina School of Medicine, Chapel Hill; 3Duke University Medical Center, Durham; 4Clinical Psychopharmacology Service, John Umstead Hospital, Butner, North Carolina
Evans et al. (1982) studied this question.