_:b662934538 . . _:b662934538 . . . . "Faculty Opinions Ltd" . "2020-07-27"^^ . . . . _:b662934538 . "Faculty Opinions recommendation of Efficacy and safety of tocilizumab in severe COVID-19 patients: a single-centre retrospective cohort study." . _:b662934538 "2023-12-22T12:32:54.783351"^^ . "10.3410/f.738065453.793577030" . "10.3410/f.738065453.793577030" . "10.3410/f.738065453.793577030" . . _:b662934538 . _:b662934538 . .