Blood lead level in Chinese adults with and without coronary artery diseaseShi-Hong LI, Hong-Ju ZHANG, Xiao-Dong LI, Jian CUI, Yu-Tong CHENG, Qian WANG, Su WANG, Chayakrit Krittanawong, Edward A El-Am, Rody G.Bou Chaaya, Xiang-Yu WU, Wei GU, Hong-Hong LIU, Xian-Liang YAN, Zhi-Zhong LI, Shi-Wei YANG, Tao SUN