RT Journal Article SR Electronic T1 An evidence-based approach to an ancient pursuit: systematic review on converting online contact into a first date JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP ebmed-2014-110101 DO 10.1136/ebmed-2014-110101 A1 Khalid S Khan A1 Sameer Chaudhry YR 2015 UL http://ebm.bmj.com/content/early/2015/02/09/ebmed-2014-110101.abstract AB