Trends and projections of the burden of disease for male infertility in China from 1990 to 2021: an analysis from the Global Burden of Disease 2021 study - Xu, Ran; Wang, Xin-jun; Lin, Qing-cheng; Zhuang, Yan-ting; Zhou, Qing-ying; Xu, Nai-fen; Zheng, Ding-qin (Frontiers in Reproductive Health, 2024)