TY - RPRT TI - Clozapine: progress in treating refractory schizophrenia. AU - S R Hirsch AU - B K Puri PY - 1993 DO - 10.1136/bmj.306.6890.1427 UR - https://pubmed.ncbi.nlm.nih.gov/8518636/ ID - 8518636 ER -