RT Journal Article SR Electronic T1 Use physician-rating websites with caution JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E892 OP E892 DO 10.1503/cmaj.69475 VO 190 IS 29 A1 Martin Hofmeister YR 2018 UL http://www.cmaj.ca/content/190/29/E892.abstract AB