MANNING, Amy. N2Ovember, Entonox waste reduction project. Impact Surgery, [S. l.], v. 2, n. 2, p. 55, 2025. DOI: 10.62463/surgery.139. Disponível em: https://impact-journals.org/index.php/pub/article/view/139. Acesso em: 12 feb. 2026.