RT Journal Article SR Electronic T1 Prostate-specific antigen screening can be beneficial to younger and at-risk men JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 47 OP 51 DO 10.1503/cmaj.111962 VO 185 IS 1 A1 Roobol, Monique J. A1 Bangma, Chris H. A1 Loeb, Stacy YR 2013 UL http://www.cmaj.ca/content/185/1/47.abstract AB