Kalbouneh, Heba M., et al. “The Patellofemoral Joint Alignment in Patients With Symptomatic Accessory Navicular Bone”. Italian Journal of Anatomy and Embryology, vol. 121, no. 2, June 2016, pp. 148-5, https://oajournals.fupress.net/index.php/ijae/article/view/1459.