Predictive factors of successful salvage microdissection testicular sperm extraction (mTESE) after failed mTESE in patients with non-obstructive azoospermia: Long-term experience at a single institute. (2018). Archivio Italiano Di Urologia E Andrologia, 90(2), 136-140. https://doi.org/10.4081/aiua.2018.2.136