DR. SREENIVASA. P. Clinical Study of Hollow Viscous Perforation. International Journal of Allied Medical Sciences and Clinical Research, [S. l.], v. 5, n. 1, p. 177–188, 2020. DOI: 10.61096/ijamscr.v5.iss1.2017.177-188. Disponível em: https://ijamscr.com/ijamscr/article/view/361. Acesso em: 16 apr. 2026.