RT Journal Article SR Electronic T1 Diagnosing ovarian cancer JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1259 OP E1259 DO 10.1503/cmaj.180499 VO 190 IS 42 A1 Walker, Melissa A1 Sobel, Mara YR 2018 UL http://www.cmaj.ca/content/190/42/E1259.abstract