TY - JOUR T1 - International patient charters are often nonbinding or feature fuzzy metrics JF - Canadian Medical Association Journal JO - CMAJ SP - E641 LP - E642 DO - 10.1503/cmaj.109-3342 VL - 182 IS - 13 AU - Lauren Vogel Y1 - 2010/09/21 UR - http://www.cmaj.ca/content/182/13/E641.abstract ER -