Searching Therapeutic Strategies of COVID-19 from Angiotensin-converting Enzyme 2:the Receptor of 2019-nCoV and SARS-CoV 
TANG Zijian,LI Shuren,XU Wenhua,SHEN Zexue
Chinese General Practice . 2020, (9): 1071 -1077 .  DOI: 10.12114/j.issn.1007-9572.2020.00.251