Chatterjee, S.; Mukherjee, M. M.; Nath, N. C.; Samanta, S.; Saha, A. K. An Observational Study on the Incidence of HER-2/neu Receptor over-Expression and Comparison of Clinical Presentation Between HER-2/neu Positive and HER-2/Neu Negative Breast Cancer. Int Surg J 2017, 4, 506-513.