Boechat, M. C. B., R. R. de Mello, K. S. da Silva, P. Daltro, E. Marchiori, E. G. Ramos, and M. V. P. Dutra. “A Computed Tomography Scoring System to Assess Pulmonary Disease Among Premature Infants”. São Paulo Medical Journal, vol. 128, no. 6, Nov. 2010, pp. 328-35, https://periodicosapm.emnuvens.com.br/spmj/article/view/1825.