Sánchez-Ayéndez M, Suárez-Pérez E, Oliver-Vázquez M, Vélez-Almodóvar H, Nazario CM. Knowledge and Beliefs of Breast Cancer among Elderly Women in Puerto Rico. PRHSJ [Internet]. 2013 Mar. 26 [cited 2025 Dec. 19];20(4). Available from: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/923