GUILLEN TORRES, MARIA FERNANDA; MORALES NUÑO, Jacqueline; VELASCO LÓPEZ , Jesus; ALTAMIRANO MUÑOZ, Richard Paul. Analgesia with ultra-low dose intrathecal morphine in hip arthroplasty: a randomized clinical trial. Investigación en Discapacidad, Mexico, v. 11, n. S1, 2025. Disponível em: https://dsm.inr.gob.mx/indiscap/index.php/INDISCAP/article/view/592. Acesso em: 20 nov. 2025.