Zhang, X., X.-P. Xiao, X.-. A. . Ren, and W. Xue. “Circulating MicroRNA-21 As Stable Blood-Based Markers for Patients With ISR After PCI”. The Heart Surgery Forum, vol. 23, no. 6, Oct. 2020, pp. E756-E762, doi:10.1532/hsf.3245.