Das, S., A. Sarma, A. Rai, N. Bhuyan, and R. Sharma. “Evaluating the Relationship Between CA15.3 Levels and Key Clinical Factors in Breast Cancer Patients of North East India”. Asian Pacific Journal of Cancer Care, Vol. 11, no. 2, Mar. 2026, pp. 145-50, doi:10.31557/apjcc.2026.11.2.145-150.