Chuckpaiwong, B., J. Puangsaichai, and T. Harnroongroj. “A Comparison of Acetabular Diameter using Direct and Indirect Measurement”. Siriraj Medical Journal, vol. 61, no. 2, Mar. 2009, pp. 68-70, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/246536.