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Zhi-jun Huang, Hong Yuan, Yu-qing Zhou, Qi-hong Deng, Chan Lu, Ming Cai, Hong Yuan. "AMBIENT FINE PARTICLE METAL COMPONENTS AND EMERGENCY HOSPITAL VISITS FOR HYPERTENSION IN CHANGSHA, CHINA: A TIME-STRATIFIED CASE-CROSSOVER STUDY." Heart 98.Suppl 2 (2012) E143.1-E143