Costimulatory molecule CD40 expression in thyroid tissue of Graves’ disease patients and its immune pathogenetic significance - Wang, F M; Chen, X M; Hao, C; Tang, H B; Shen, Q; Xu, X Y; Xu, X G; Qian, H; Li, Q; Yao, P; Li, J H; Chen, L (Zhong yi xue za zhi, 2013)