TY - JOUR T1 - Pay for performance: learning about quality JF - Canadian Medical Association Journal JO - CMAJ SP - 1717 LP - 1719 DO - 10.1503/cmaj.070472 VL - 176 IS - 12 AU - Chaim M. Bell AU - Wendy Levinson Y1 - 2007/06/05 UR - http://www.cmaj.ca/content/176/12/1717.abstract ER -