TY - JOUR T1 - Arthritis charter sets patient duty to engage JF - Canadian Medical Association Journal JO - CMAJ SP - E646 LP - E646 DO - 10.1503/cmaj.109-4922 VL - 186 IS - 17 AU - Lauren Vogel Y1 - 2014/11/18 UR - http://www.cmaj.ca/content/186/17/E646.abstract N2 - ER -