RT Journal Article SR Electronic T1 Surgical black box may sew up malpractice cases JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 794 OP 794 DO 10.1503/cmaj.109-5071 VO 187 IS 11 A1 Donalee Moulton YR 2015 UL http://www.cmaj.ca/content/187/11/794.abstract