Billis, A., Freitas, L. L. L., Costa, L. B. E., Barreto, I. S., Magna, L. A., Matheus, W. E., & Ferreira, U. (2019). The TNM 8(th) edition: Validation of the proposal for organ - confined (pT2) prostate cancer. Int Braz J Urol.

Billis, Athanase, Leandro L. L. Freitas, Larissa B. E. Costa, Icleia S. Barreto, Luis A. Magna, Wagner E. Matheus, ja Ubirajara Ferreira. "The TNM 8(th) Edition: Validation of the Proposal for Organ - Confined (pT2) Prostate Cancer." Int Braz J Urol 2019.

Billis, Athanase, et al. "The TNM 8(th) Edition: Validation of the Proposal for Organ - Confined (pT2) Prostate Cancer." Int Braz J Urol 2019.