Citation Select	Yin SH, Xu P, Wang B, Lu Y, Wu QY, Zhou ML, Wu JR, Cai JJ, Sun X, Yuan H Duration of dual antiplatelet therapy after percutaneous coronary intervention with drug-eluting stent: systematic review and network meta-analysis BMJ. 2019 Jun 28;365:l2222. doi: 10.1136/bmj.l2222.