Comparative Analysis of 95 Patients with Different Severity in the Early Outbreak of COVID-19 in Wuhan, China oleh Fang He, Xue-feng Ding, Meng Cao, Hai-ying Gong, Xiang-zhen Fu, Jie Luo, Kui Liu, Zhou-zhou Tian, Lin Luo, Yu-yuan Fan, Ting Li, Qian-Jing Yao, Xiao-ju Chen, Xiang-lin Duan, Li Chen, Li Jiang