The Association of Procalcitonin and C-Reactive Protein with Bacterial Infections Acquired during Intensive Care Unit Stay in COVID-19 Critically Ill Patients oleh Simone Campani, Marta Talamonti, Lorenzo Dall’Ara, Irene Coloretti, Ilenia Gatto, Emanuela Biagioni, Martina Tosi, Marianna Meschiari, Roberto Tonelli, Enrico Clini, Andrea Cossarizza, Giovanni Guaraldi, Cristina Mussini, Mario Sarti, Tommaso Trenti, Massimo Girardis