Key points are not available for this paper at this time.
Charles E. Rice, David G. Berger, Lee G. Sewall, Paul V. Lemkau, Measuring Social Restoration Performance of Public Psychiatric Hospitals, Public Health Reports (1896-1970), Vol. 76, No. 5 (May, 1961), pp. 437-446
Rice et al. (Sun,) studied this question.