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da Silva Pinto, D. , Moraes Paro, A.C. , Yuji Tanaka, D., Oliveira Johnen, A.C., Guimenti Ribeiro de Lima, P. , Dias Muniz de Andrade, I., Regina de Souza Marini, A. , Schleinstein, H.P. and Gentile, J.K. de 2022. Pneumoperitoneum, retropneumoperitoneum and pneumomediastinum after stapled hemorrhoidopexy. Brazilian Journal of Case Reports. 2, 4 (Sep. 2022), 33–40. DOI:https://doi.org/10.52600/2763-583X.bjcr.2022.2.4.33-40.