[1]
A. F. Caballero-Lozada, G. Sakamoto-T, D. Carreño-Medina, M. F. Pantoja, F. Velásquez, and A. Velásquez, “Ultrasound-guided neuraxial anesthesia versus the use of anatomical landmarks in the elderly: prospective cohort study”, Colomb. J. Anesthesiol., Jun. 2024.