(Q68335911)
Statements
Reliability and validity of the positive and negative syndrome scale for schizophrenics (English)
S. R. Kay
L. A. Opler
1 January 1988
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference