Camargo, J. J. de P., S. M. Camargo, T. N. Machuca, and F. A. Perin. “Round Pneumonia: A Rare Condition Mimicking Bronchogenic Carcinoma. Case Report and Review of the Literature”. São Paulo Medical Journal, vol. 126, no. 4, July 2008, pp. 236-8, https://periodicosapm.emnuvens.com.br/spmj/article/view/1984.