1.
Pérez J, Pérez-Gumá JE, Correa R, Rivera M, Castro A, Cedeño J, et al. Breast mass or sternalis muscle?. PRHSJ [Internet]. 2008 Jun. 4 [cited 2025 Dec. 19];27(2). Available from: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/59