TY - JOUR T1 - Ovarian cancer screening JF - Canadian Medical Association Journal JO - CMAJ SP - 323 LP - 324 DO - 10.1503/cmaj.1031298 VL - 171 IS - 4 AU - Usha Menon Y1 - 2004/08/17 UR - http://www.cmaj.ca/content/171/4/323.abstract ER -