“Bloqueo PENG versus bloqueo femoral para analgesia posoperatoria de cirugías de cadera”., Rev.Anest.Reani.y Dolor, vol. 1, no. 2, pp. 12–20, Dec. 2023, Accessed: Dec. 06, 2025. [Online]. Available: https://revistascientificas.una.py/index.php/anest/article/view/4300