Santoro , Bruno Franco, and Mónica Casalnuovo. “Presence of PIK3CA Mutation in Patients With Stage IV Luminal Breast Cancer and Its Relationship With Rapid Progression”. South Health and Policy 3 (December 30, 2024): 120. Accessed August 17, 2025. https://shp.ageditor.ar/index.php/shp/article/view/120.