Inal, A.; Akman, T.; Yaman, S.; Ozturk, S. C.; Geredeli, C.; Bilici, M.; Inanc, M.; Harputoglu, H.; Demirci, U.; Suner, A. Is Lymph Node Ratio Prognostic Factor for Survival in Elderly Patients With Node Positive Breast Cancer? The Anatolian Society of Medical Oncology. Ann Ital Chir 2013, 84, 143-148.