Qin, Weibing, Heran Cao, Zhixing Zhang, Hua Nie, Lu Han, and Xiaohua Liu. “Establishing Reference Values and Evaluating Diagnostic Utility of Scrotal Ultrasound for Azoospermia Subtypes: A Cross-Sectional Study in Guangdong, China”. The Ultrasound Journal 18, no. 1 (June 9, 2026): 18307. Accessed June 23, 2026. https://www.mattioli1885journals.com/index.php/theultrasoundjournal/article/view/18307.