Kayali, F. İlknur, Rahşan Habiboğlu, and İrem Sarıcanbaz. “Vitamin D Deficiency And Insufficiency In Turkish Patients With Breast Cancer ”. Progress in Nutrition 23, no. 1 (March 31, 2021): e2021040. Accessed April 16, 2025. https://mattioli1885journals.com/index.php/progressinnutrition/article/view/10428.