Stanley R. Kay

A comparative study of haloperidol and chlorpromazine in terms of clinical effects and therapeutic reversal with benztropine in schizophrenia. Theoretical implications for potency differences among neuroleptics

S. Kay, Man Mohan Singh, Stanley R. Kay, 1975, Psychopharmacologia.

Positive-negative symptom assessment in schizophrenia: Psychometric issues and scale comparison

S. Kay, Stanley R. Kay, 2005, Psychiatric Quarterly.

Reliability and validity of the positive and negative syndrome scale for schizophrenics

Lewis A. Opler, L. Opler, J. Lindenmayer, 1988, Psychiatry Research.