COMPARISON OF DILTIAZEM WITH LATERAL INTERNAL SPHINCTEROTOMY FOR THE TREATMENT OF CHRONIC ANAL FISSURE. Frontier in Medical and Health Research, [S. l.], v. 3, n. 8, p. 1520–1526, 2025. Disponível em: https://fmhr.net/index.php/fmhr/article/view/3868.. Acesso em: 17 oct. 2026.