Urusopon, K. and Roongruangchai, J. (2008) “Two New Standard Lines of the External Base of Skull”, Siriraj Medical Journal, 60(1), pp. 17–19. available at: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/246300 (accessed: 17 September 2026).