Russo, Ewaldo Mario. “A Study of 1852 Chest Roentgenograms of Tuberculous Contacts under the Age of Five Years”. Revista de Medicina 24, no. 74 (fevereiro 4, 1940): 122–122. Acessado abril 29, 2024. https://www.revistas.usp.br/revistadc/article/view/61903.