TY - JOUR T1 - Clamping down JF - Canadian Medical Association Journal JO - CMAJ SP - 1289 LP - 1289 VL - 160 IS - 9 AU - L. M. Loewen Y1 - 1999/05/04 UR - http://www.cmaj.ca/content/160/9/1289.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -