Multilayer intraoperative monitoring: clinical use of capnography during neuraxial block in Port Harcourt, Nigeria. Port Harcourt Medical Journal, [S. l.], v. 19, n. 2, p. 113–121, 2025. DOI: 10.60787/phmj.v19i2.203. Disponível em: https://www.phmj.org.ng/index.php/home/article/view/203. Acesso em: 7 dec. 2025.