PT - JOURNAL ARTICLE AU - L. M. Loewen TI - Clamping down DP - 1999 May 04 TA - Canadian Medical Association Journal PG - 1289--1289 VI - 160 IP - 9 4099 - http://www.cmaj.ca/content/160/9/1289.1.short 4100 - http://www.cmaj.ca/content/160/9/1289.1.full SO - CMAJ1999 May 04; 160