TY - JOUR T1 - Doctors warn of late diagnoses as cancer screening backlog grows JF - Canadian Medical Association Journal JO - CMAJ SP - E811 LP - E812 DO - 10.1503/cmaj.1095944 VL - 193 IS - 22 AU - Diana Duong Y1 - 2021/05/31 UR - http://www.cmaj.ca/content/193/22/E811.abstract ER -