Tan XW, Zheng Q, Shi L, Gao F, Allen JC, Coenen A, Baumann S, Schoepf UJ, Kassab GS, Lim ST, Wong ASL, Tan JWC, Yeo KK, Chin CT, Ho KW, Tan SY, Chua TSJ, Chan ESY, Tan RS, Zhong L. Combined diagnostic performance of coronary computed tomography angiography and computed tomography derived fractional flow reserve for the evaluation of myocardial ischemia: A meta-analysis. Int J Cardiol. 2017 Jun 01; 236:100-106.