Martins, J. L., and J. Pinus. “Use of Biofeedback (BFB) in the Treatment of Fecal Incontinence After Surgical Correction of Anorectal Malformations by Posterior Sagital Anorectoplasty (PSARP)”. São Paulo Medical Journal, vol. 115, no. 3, May 1997, pp. 1427-32, https://periodicosapm.emnuvens.com.br/spmj/article/view/2104.