CABALLERO-LOZADA, Andrés Fabricio; SAKAMOTO-T, Genji; CARREÑO-MEDINA, Diana; PANTOJA, Maria Fernanda; VELÁSQUEZ, Fernando; VELÁSQUEZ, Andrés. Ultrasound-guided neuraxial anesthesia versus the use of anatomical landmarks in the elderly: prospective cohort study. Colombian Journal of Anesthesiology, [S. l.], 2024. DOI: 10.5554/22562087.e1116. Disponível em: https://www.revcolanest.com.co/index.php/rca/article/view/1116. Acesso em: 2 jul. 2024.