RT Journal Article SR Electronic T1 The devil is in the details…or not? A primer on individual patient data meta-analysis JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 100 OP 101 DO 10.1136/ebm.14.4.100 VO 14 IS 4 A1 Sachin Sud A1 James Douketis YR 2009 UL http://ebm.bmj.com/content/14/4/100.abstract AB