RT Journal Article SR Electronic T1 Colorectal cancer screening is cost-effective in the elderly who have had less intense prior screening, high baseline risk of colorectal cancer and less comorbidities JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 182 OP 182 DO 10.1136/ebmed-2015-110359 VO 21 IS 5 A1 Mark Jenkins YR 2016 UL http://ebm.bmj.com/content/21/5/182.abstract AB