Plasma selenium and the risk of first stroke in adults with hypertension: a secondary analysis of the China Stroke Primary Prevention Trial

Zhuo Wang, Hai Ma, Yun Song, Teng-Fei Lin, Lishun Liu, Ziyi Zhou, Yaping Wei, Xiao Huang, Ping Chen, Chengzhang Liu, Youbao Li, Binyan Wang, Jianping Li, Yan Zhang, Yong Huo, Hao Zhang, Xiping Xu, Xianhui Qin, Huiyuan Guo