TY - RPRT TI - Psychiatric emergency services: evolution, adaptation and proliferation. AU - E Wellin AU - D P Slesinger AU - C D Hollister PY - 1987 DO - 10.1016/0277-9536(87)90336-4 UR - https://pubmed.ncbi.nlm.nih.gov/3296220/ ID - 3296220 ER -