PT - JOURNAL ARTICLE AU - Duffin, Jacalyn TI - Canadian drug shortage: recent history of a mystery AID - 10.1503/cmaj.120527 DP - 2012 Jan 01 TA - Canadian Medical Association Journal PG - cmaj.120527 4099 - http://www.cmaj.ca/content/early/2012/04/23/cmaj.120527.short 4100 - http://www.cmaj.ca/content/early/2012/04/23/cmaj.120527.full