Global, regional, and national burdens of PUD in women of reproductive age from 1992 to 2021: a trend analysis based on the global burden of disease study 2021 - Wang, Xiaofeng; Yang, Song; Zhao, Shanzhi; Yang, Zhitao; Mao, Enqiang; Chen, Erzhen; Chen, Ying (Frontiers in Global Women's Health, 2025)