Vallejo FAA, Vasconez VSE, Moscoso JM, Martìnez JC, Herrera PJC. Resection of the extravertebral portion of the filum terminale with posterior internal sphincterotomy, a surgical technique for managing chronic constipation and encopresis in children. J Clin Trials Exp Investig [Internet]. 2023 Dec. 30 [cited 2024 May 13];2(4):254-60. Available from: https://jctei.com/index.php/jctei/article/view/91