Journal of Coloproctology (Rio de Janeiro) v.40 n.3 2020 Journal of Coloproctology (Rio de Janeiro. Online) Sociedade Brasileira de Coloproctologia (SBCP) instacron:SBCP Journal of Coloproctology, Vol 40, Iss 3, Pp 209-213 (2020) Journal of Coloproctology (Rio de Janeiro), Volume: 40, Issue: 3, Pages: 209-213, Published: 14 AUG 2020