[1]
P. C. . Echeverry-Marín, A. C. . Pérez-Pradilla, B. Reyes-Escobar, R. del P. . Pereira-Ospina, and M. . Quiroga-Carrillo, “Concordance between the loss of resistance technique and ultrasound in measuring the distance from the skin to the epidural space in pediatric patients: Observational study”, Colomb. J. Anesthesiol., vol. 48, no. 4, Sep. 2020.