TY - JOUR T1 - Spirometry in primary care practices JF - Canadian Medical Association Journal JO - CMAJ SP - 429 LP - 430 DO - 10.1503/cmaj.1080129 VL - 180 IS - 4 AU - Anthony D'Urzo, MD MSc Y1 - 2009/02/17 UR - http://www.cmaj.ca/content/180/4/429.2.abstract ER -