PT - JOURNAL ARTICLE AU - Paul Christopher Webster TI - Farmyard drug use a US battlefield and a Canadian wasteland AID - 10.1503/cmaj.109-4231 DP - 2012 Aug 07 TA - Canadian Medical Association Journal PG - E565--E565 VI - 184 IP - 11 4099 - http://www.cmaj.ca/content/184/11/E565.short 4100 - http://www.cmaj.ca/content/184/11/E565.full SO - CMAJ2012 Aug 07; 184