Tovar-Gutiérrez, Alejandro, Julio Ernesto Camelo-Rincón, Óscar Iván Vásquez-Gómez, and Adriana Margarita Cadavid-Puentes. 2021. “Continuous Erector Spinae Plane Block at Lumbar Level for Relief of Severe Pain Due to Hip Fracture: Case Series”. Colombian Journal of Anesthesiology 49 (4). https://doi.org/10.5554/22562087.e962.