Botulinum Toxin Vs Lateral Internal Sphicterotomy for Anal Fissures. Medico Legal Update, [S. l.], v. 19, n. 2, p. 390–392, 2019. DOI: 10.37506/mlu.v19i2.809. Disponível em: https://ijop.net/index.php/mlu/article/view/809. Acesso em: 23 may. 2026.