Lv KL, Zhang YD, Zhuang JT, Gao Y, Zhao L, Wan Z, Zhou MK, Yu JW, Sun XZ, Zhang YY, Deng CH, Tu XA. Subinguinal microsurgical varicocelectomy with intraoperative microvascular Doppler ultrasound leads to the pain-free outcome after surgery. J Xray Sci Technol. 2017; 25(5):839-846.