Valentini, C., L. Bertini, A. Scala, F. Trenta, V. Martines, E. Casciani, E. Polettini, and G. F. Gualdi. “Imaging of Community-Acquired Pneumonias”. Emergency Care Journal, vol. 5, no. 2, Apr. 2009, pp. 36-43, doi:10.4081/ecj.2009.2.36.