Estefan, A. (1985) “Anal fissure treated ambulatorily by means of partial lateral internal sphincterectomy.: A propósito de 43 casos”., Cirugía del Uruguay, 55(1), pp. 68–70. Available at: https://replica-revista.scu.org.uy/index.php/cir_urug/article/view/3652 (Accessed: 24 May 2026).