👤 Yin, Dongfei Keywords Articles (1) A survey of 434 clinical trials about coronavirus disease 2019 in China. 👤 Leng, Zikuan 👤 Yin, Dongfei 👤 Zhao, Zhe 👤 Yan, Miaoheng 👤 Yang, Yanlei 👤 He, Xijing 👤 Zhao, Robert Chunhua 👤 Liu, Hongjian ⏰ 2020 📚 J Med Virol