“Discordance of Human Epidermal Growth Factor Receptor-2 Expression in Primary Breast Cancer and Related Axillary Lymph Node Metastasis”. Asian Journal of Pharmaceutics (AJP) 12, no. 02 (September 14, 2018). Accessed April 15, 2026. https://www.asiapharmaceutics.info/index.php/ajp/article/view/2498.