PT - JOURNAL ARTICLE AU - Gregoire, Lisa TI - Alberta MDs warned not to co-sign American prescriptions DP - 2003 Apr 01 TA - Canadian Medical Association Journal PG - 886--886-a VI - 168 IP - 7 4099 - http://www.cmaj.ca/content/168/7/886.2.short 4100 - http://www.cmaj.ca/content/168/7/886.2.full SO - CMAJ2003 Apr 01; 168