C. Souza, M. Soares, J. Lopes, A. R. Ráfare, and M. Babinski, “Pectoralis quartus: a case report”, Acta Sci Anat, vol. 1, no. 2, pp. 119–121, Jan. 2019, Accessed: Sep. 19, 2025. [Online]. Available: https://actasanatomica.com/actasanatomica/index.php/ojs/article/view/22