Risk factors for thyroid nodules among residents of Ningbo City in Zhejiang Province. [Chinese] Author:Publication type: Journal ArticleYear: 2015InterRAI Authors: Zhao, X.Zhang, J.Sun, Y.Yao, M.Zhu, G.Dong, H.Journal/Series title: Chinese Journal of EndemiologyVolume number: 34Issue: 3Pages: 213-216