POPKO, I. Y.; DMYTRIIEV, D. V. Changes of immunological reactivity during surgery and in postoperative period depending on analgesic regimen. Pain medicine, [S. l.], v. 2, n. 1, p. 28–33, 2017. Disponível em: https://painmedicine.org.ua/index.php/pnmdcn/article/view/43. Acesso em: 21 mar. 2026.