Barberini, F. “The Clavicular Part of the Pectoralis Major: A True Entity of the Upper Limb on Anatomical, Phylogenetic, Ontogenetic, Functional and Clinical Bases. Case Report and Review of the Literature”. Italian Journal of Anatomy and Embryology, vol. 119, no. 1, June 2014, pp. 49-59, https://oajournals.fupress.net/index.php/ijae/article/view/1215.