https://api.elsevier.com/content/article/pii/S0092867420302294doi:10.1016/j.cell.2020.02.0521-s2.0-S009286742030229410.1016/j.cell.2020.02.052S0092-8674(20)30229-4SARS-CoV-2 Cell Entry Depends on ACE2 and TMPRSS2 and Is Blocked by a Clinically Proven Protease Inhibitor CellJournal009286742020-04-1616 April 20201trueFullfalseElsevierBranded