Gerson S, Bassuk E (1980). "Psychiatric emergencies: an overview". The American Journal of Psychiatry. 137 (1): 1–11. doi:10.1176/ajp.137.1.1. PMID6986089.
Gerson S, Bassuk E (1980). "Psychiatric emergencies: an overview". The American Journal of Psychiatry. 137 (1): 1–11. doi:10.1176/ajp.137.1.1. PMID6986089.