TY - JOUR T1 - Benztropine for acute muscle spasm in the emergency department JF - Canadian Medical Association Journal JO - CMAJ SP - 203 LP - 204 VL - 164 IS - 2 AU - Norman L. Epstein Y1 - 2001/01/23 UR - http://www.cmaj.ca/content/164/2/203.abstract ER -