TY - JOUR T1 - Protecting patients in ongoing clinical trials JF - Canadian Medical Association Journal JO - CMAJ SP - 124 LP - 126 DO - 10.1503/cmaj.109-3042 VL - 182 IS - 2 AU - Miriam Shuchman Y1 - 2010/02/09 UR - http://www.cmaj.ca/content/182/2/124.abstract ER -