ZNGANA, A. M.; HIWA, B. A comparative study between lateral internal anal sphincterotomy and botulinum toxin injection in the treatment of chronic anal fissure. Zanco Journal of Medical Sciences (Zanco J Med Sci), [S. l.], v. 25, n. 2, p. 513–519, 2021. DOI: 10.15218/zjms.2021.014. Disponível em: https://zjms.hmu.edu.krd/index.php/zjms/article/view/834. Acesso em: 18 apr. 2024.