RT Journal Article SR Electronic T1 United States reviews safety of electroconvulsive therapy JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E269 OP E270 DO 10.1503/cmaj.109-3817 VO 183 IS 5 A1 Nancy Benac YR 2011 UL http://www.cmaj.ca/content/183/5/E269.abstract