Albertin, G., C. Stecco, C. Fede, L. Petrelli, M. M. Sfriso, and R. De Caro. “Expression of the Endocannabinoid Receptors in Human Fascial Tissue”. Italian Journal of Anatomy and Embryology, vol. 121, no. 1, Oct. 2017, p. 84, https://oajournals.fupress.net/index.php/ijae/article/view/2222.