P. J. Crawford

Study of ego functions in the schizophrenic syndrome.

L. Bellak, M. Hurvich, H. Gediman, 1970, Archives of general psychiatry.

Ego functions in schizophrenics, neurotics, and normals : a systematic study of conceptual, diagnostic, and therapeutic aspects

L. Bellak, M. Hurvich, D. Jacobs, 1973 .

Recreational Overdosage of Carbamazepine in Paisley Drug Abusers

B. M. Fisher, P. J. Crawford, 1997, Scottish Medical Journal.