Relationship of obesity, body fat, benign adrenal tumors and the mediating mechanism: a two-step mendelian randomization study. - Wang, Qiwei; Lv, Dingyang; Wen, Jie; Zhou, Huiyu; Jia, Mohan; Li, Jinshuai; Du, Hongyang; Shuang, Weibing (BMC Cancer, 2025)