RT Journal Article SR Electronic T1 Delivering a decision support intervention about PSA screening to patients outside of clinical encounters is ineffective in promoting informed decision-making JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 139 OP 139 DO 10.1136/ebmed-2015-110196 VO 20 IS 4 A1 Paul K J Han YR 2015 UL http://ebm.bmj.com/content/20/4/139.abstract AB