PRAVEEN, P. Pallam’s painless hybrid laser sandwich procedure for grade III and IV hemorrhoids. International Surgery Journal, [S. l.], v. 12, n. 7, p. 1126–1130, 2025. DOI: 10.18203/2349-2902.isj20251905. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/11129. Acesso em: 13 oct. 2025.