Sirico, F., V. Baioccato, N. Marino, M. Zappia, and S. Montagnani. “Musculocutaneous Nerve Variations. Meta-Analysis of Proportions and Proposal for Categorization”. Italian Journal of Anatomy and Embryology, vol. 122, no. 1, Oct. 2017, p. 201, https://oajournals.fupress.net/index.php/ijae/article/view/2094.