Colleoni, G. W. B., J. S. R. Oliveira, A. C. Alves, D. M. M. Borducchi, R. A. Segreto, O. Cervantes, and J. Kerbauy. “Clinical Management of Six Cases of Low-Risk Primary Tonsillar Non-Hodgkin´s Lymphoma”. São Paulo Medical Journal, vol. 117, no. 5, Sept. 1999, pp. 215-7, https://periodicosapm.emnuvens.com.br/spmj/article/view/2558.