Guarino, Carmine, Cristiano Cesaro, Giuseppe Fiorentino, Francesco Rossi, Benedetto Maria Polverino, Fiorentino Fragranza, Luca Monastra, Patrizia Murino, Enzo Zamparelli, and Giuseppe La Cerra. “Bronchoscopy in COVID-19 Patients: When, How and Why. Experience in Clinical Practice”. Monaldi Archives for Chest Disease 91, no. 2 (March 2, 2021). Accessed May 15, 2021. https://monaldi-archives.org/index.php/macd/article/view/1744.