Ilchmann Thomas, Freeman M.A.R., and Mjöberg Bengt. “Accuracy of the Nunn Method in Measuring Acetabular Cup Migration”. Upsala Journal of Medical Sciences 97, no. 1 (March 1, 1992): 67-68. Accessed April 19, 2024. https://ujms.net/index.php/ujms/article/view/7518.