_:b57913824 . _:b57913822 _:b57913823 . _:b57913825 . _:b57913822 . _:b57913822 . _:b57913825 "oxygenation index" . _:b57913822 "0.81"^^ . _:b57913822 . _:b57913822 _:b57913824 . _:b57913823 "C0282636" . _:b57913823 "T043" . _:b57913824 _:b57913825 .