Analysis of clinical characteristics of patients with COVID-19 in Tianjin
YU Hong-zhi , SHAO Hong-xia , XING Zhi-heng , QIN Zhong-hua , FU Sha-sha , HU Song , WU Qi△
Tianjin Medical Journal . 2020, (7): 577 -582 .  DOI: 10.11958/20201093