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COVID-19 epidemic prediction based on improved SIR model and the impact of prevention and control on epidemic development
ZHU Renjie, TANG Shihao, LIU Tongtong, GUO Yan, DONG Shanshan, CHENG Ying, YANG Tielin
Journal of Shaanxi Normal University(Natural Science Edition) . 2020, (3): 33 -38 . 

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