RT Journal Article SR Electronic T1 Warfarin and absolute risk of hemorrhagic stroke JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 687 OP 687 DO 10.1503/cmaj.113-2115 VO 185 IS 8 A1 Antonio Gonzalez-Perez A1 David Gaist A1 Luis A. Garcia Rodriguez YR 2013 UL http://www.cmaj.ca/content/185/8/687.1.abstract AB