RT Journal Article SR Electronic T1 Multimorbidity: a challenge for evidence-based medicine JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 165 OP 166 DO 10.1136/ebm1154 VO 15 IS 6 A1 Campbell-Scherer, Denise YR 2010 UL http://ebm.bmj.com/content/15/6/165.abstract AB