Pre-emptive versus preventive analgesia for postoperative pain: a systematic review and meta-analysis. Universa Medicina, [S. l.], v. 42, n. 2, p. 227–239, 2023. DOI: 10.18051/UnivMed.2023.v42.227-239. Disponível em: https://univmed.org/ejurnal/index.php/medicina/article/view/1434. Acesso em: 4 apr. 2025.