Mendelian randomization and multi-omics analysis identify C4A as a critical protective biomolecule in head and neck squamous cell carcinoma - Ziqing Yang; Xinhui Qiu; Anquan Ma; Chenyang Wu; Xiaoyang Zong; Yifei Nie; Simin Zhan; Haoran Yang; Chengyuan Zhang; Huilu Song; Xu Wang; Zhihong Zhang; et al. (Chemical Engineering Journal, 2025)