Deficiency and excess of groundwater iodine and their health associations - Ruoqi Ma; Mingquan Yan; Peng Han; Ting Wang; Bin Li; Zhou, Shungui; Zheng, Tong; Yandi Hu; Borthwick, Alistair GL; Zheng, Chunmiao; Ni, Jinren (NATURE COMMUNICATIONS, 2022)