Clinical characteristics of 34 COVID-19 patients admitted to intensive care unit in Hangzhou, China. - Zheng, Yi; Sun, Li-jun; Xu, Mi; Pan, Jian; Zhang, Yun-tao; Fang, Xue-ling; Fang, Qiang; Cai, Hong-liu (Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2020)