Bansal, S., R. Singh, and A. K. Gupta. “Evaluation of Non-Palpable Axillary Lymph Nodes Metastasis With Ultrasonography Guided Fine Needle Aspiration Cytology in Carcinoma Breast and Comparing With Histopathological Report”. International Surgery Journal, vol. 8, no. 8, July 2021, pp. 2392-8, doi:10.18203/2349-2902.isj20213135.