RT Journal Article SR Electronic T1 Predictive values of GPs’ suspicion of serious disease are high enough to warrant subsequent investigation JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 232 OP 232 DO 10.1136/ebmed-2014-110060 VO 19 IS 6 A1 Knut Holtedahl YR 2014 UL http://ebm.bmj.com/content/19/6/232.abstract AB