Association between weight-adjusted-waist index and the prevalence of gallstone disease in Minhang District, Shanghai: a cross-sectional study. - Wang, Jian; Zheng, Zixuan; Tan, Hongyu; Wei, Shan; Gu, Yufeng; Cheng, Yingsheng; Xu, Chengyan; Wang, Wei (Journal of Health, Population & Nutrition, 2025)