SONGTHAMWAT, B. Ultrasound-guided Lumbar Central Neuraxial Anesthesia. Thai Journal of Anesthesiology, [S. l.], v. 46, n. 1, p. 26–34, 2019. Disponível em: https://he02.tci-thaijo.org/index.php/anesthai/article/view/228091. Acesso em: 21 sep. 2026.