Jongkittanakul, Sarut, and Panin Anilabol. 2018. “The Optimal Region for Occipital Screw Placement: Computed Tomography Analysis of Occipital Bone Thickness”. Srinagarind Medical Journal 33 (6):526-30. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/149323.