TY - JOUR T1 - Regulated analgesics and pain control JF - Canadian Medical Association Journal JO - CMAJ SP - 1470 LP - 1470 VL - 154 IS - 10 AU - N. A. Hagen AU - P. Flynne AU - N. Macdonald Y1 - 1996/05/15 UR - http://www.cmaj.ca/content/154/10/1470.abstract ER -