PARTHA PRATIM MANDAL; SHIVAJI MANDAL; CHOWDHURY, Debayan. A comparative study of the outcome of unilateral versus bilateral internal anal sphincterotomy in treatment of chronic anal fissure. Asian Journal of Medical Sciences, [S. l.], v. 15, n. 9, p. 188–192, 2024. Disponível em: https://nepjol.info./index.php/AJMS/article/view/65960. Acesso em: 14 mar. 2025.