Association between iron deficiency and prevalence of thyroid autoimmunity in pregnant and non-pregnant women of childbearing age: a cross-sectional study oleh Han-Yi Zhang, Xiao-Chun Teng, Zhong-Yan Shan, Zhao-Jun Wang, Chen-Yan Li, Xiao-Hui Yu, Jin-Yuan Mao, Wei-Wei Wang, Xiao-Chen Xie, Wei-Ping Teng, Xin Chen