RT Journal Article SR Electronic T1 In simulation modelling, there are multiple ways to effectively screen for colorectal cancer JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 59 OP 59 DO 10.1136/ebmed-2016-110521 VO 22 IS 2 A1 Theodore R Levin YR 2017 UL http://ebm.bmj.com/content/22/2/59.abstract AB