Stecco, Carla, et al. “Anatomical Study of the Paratendinous Tissues and Their Role in the Pathogenesis of the Tendinopathy”. Italian Journal of Anatomy and Embryology, vol. 117, no. 2, Feb. 2013, p. 183, https://oajournals.fupress.net/index.php/ijae/article/view/4369.