Smargiassi, A., Inchingolo, R., Soldati, G., Copetti, R., Marchetti, G., Zanforlin, A., Giannuzzi, R., Testa, A., Nardini, S., & Valente, S. (2013). The role of chest ultrasonography in the management of respiratory diseases: document II. Multidisciplinary Respiratory Medicine, 8(9). https://doi.org/10.4081/mrm.2013.556