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Zhang J, Zhu T, Huang W, Kipen H, Wang G, Rich D, et al. The Beijing HEART Study: Study Hypotheses and Preliminary Results. In: Epidemiology. Ovid Technologies (Wolters Kluwer Health); 2009. p. S257–S257.

Zhang, Junfeng, et al. “The Beijing HEART Study: Study Hypotheses and Preliminary Results.” Epidemiology, vol. 20, Ovid Technologies (Wolters Kluwer Health), 2009, pp. S257–S257. Crossref, doi:10.1097/01.ede.0000362858.03267.57.

Zhang J, Zhu T, Huang W, Kipen H, Wang G, Rich D, Zhu P, Wang Y, Hu M, Lu S-E, Ohman-Strikland P, Gong J, Tong J. The Beijing HEART Study: Study Hypotheses and Preliminary Results. Epidemiology. Ovid Technologies (Wolters Kluwer Health); 2009. p. S257–S257.