PATIENT CONTROLLED EPIDURAL ANALGESIA VERSUS CONVENTIONAL EPIDURAL ANALGESIA AFTER TOTAL HIP REPLACEMENT: A RANDOMIZED TRIAL IN PAKISTAN. Frontier in Medical and Health Research, [S. l.], v. 3, n. 4, p. 446–451, 2025. Disponível em: https://fmhr.org/index.php/fmhr/article/view/426.. Acesso em: 26 jun. 2025.