Arman Karakaya, Yeliz, et al. “Prognostic Significance of PIK3CA Immunoexpression and Mutation Status in Triple-Negative Breast Cancer”. Annals of Medical Research, vol. 33, no. 7, July 2026, pp. 338-46, http://www.annalsmedres.org/index.php/aomr/article/view/4942.