RT Journal Article SR Electronic T1 Why do patients often lie to their doctors? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E115 OP E115 DO 10.1503/cmaj.109-5705 VO 191 IS 4 A1 Lauren Vogel YR 2019 UL http://www.cmaj.ca/content/191/4/E115.abstract