Non surgical treatment of chronic anal fissure: one year`s experience with GTN paste. Annals of King Edward Medical University, [S. l.], v. 11, n. 4, 2016. DOI: 10.21649/akemu.v11i4.1063. Disponível em: https://annalskemu.org/journal/index.php/annals/article/view/1063. Acesso em: 21 dec. 2024.