Bloqueo PENG versus bloqueo femoral para analgesia posoperatoria de cirugías de cadera. Rev.Anest.Reani.y Dolor [Internet]. 2023 Dec. 14 [cited 2025 Dec. 6];1(2):12-20. Available from: https://revistascientificas.una.py/index.php/anest/article/view/4300