AB137. Microsurgical vasoepididymostomy is an effective treatment for azoospermic patients with epididymal obstruction and prior failure to achieve pregnancy by sperm retrieval with intracytoplasmic sperm injection - Peng, Jing; Yuan, Yiming; Zhang, Zhichao; Cui, Wanshou; Song, Weidong; Gao, Bing (Translational Andrology and Urology, 2014)