Relative safety of various spermatogenic stem cell purification methods for application in spermatogenic stem cell transplantation. - Tian, Jia; Ma, Ke; Pei, Cheng-bin; Zhang, Shao-hua; Li, Xue; Zhou, Yue; Yan, Bei; Wang, Hong-yan; Ma, Liang-hong (Stem Cell Research & Therapy, 2019)