1.
Selman B. N, Aguilera M G, Maldonado C. F. Analgesia in spinal surgery: morphine intrathecal versus erector plane block spinal. banest [Internet]. 2022 Nov. 16 [cited 2025 Apr. 9];(3):1-5. Available from: https://revistateoria.uchile.cl/index.php/BA/article/view/68883