academic article

• Summer birth and the deficit syndrome of schizophrenia..  The American journal of psychiatry.  155:1221-1226. 1998
• Racial differences in the diagnosis of psychosis..  Schizophrenia research.  21:117-124. 1996
• The deficit syndrome in the DSM-IV Field Trial. Part II. Depressive episodes and persecutory beliefs..  Schizophrenia research.  20:79-90. 1996
• The deficit syndrome in the DSM-IV Field Trial: I. Alcohol and other drug abuse..  Schizophrenia research.  20:69-77. 1996
• Substance abuse in psychotic disorders: associations with affective syndromes. DSM-IV Field Trial Work Group..  Schizophrenia research.  14:73-81. 1994