Co-exposure of serum calcium, selenium and vanadium is nonlinearly associated with increased risk of type 2 diabetes mellitus in a Chinese population

Yingnan Lv, Lianguang Xie, Chunting Dong, Rongqing Yang, Tianzhu Long, Haisheng Yang, Lulin Chen, Lulu Zhang, Xiaolang Chen, Xiaoyu Luo, Sifang Huang, Xiaobo Yang, Rui Lin, Haiying Zhang