Evaluation of the a-Amylase Enzyme, Carbohydrate Antigen CA-15.3 ( C.A 15.3),and Some Biochemical Variables in the Blood Serum of Breast Cancer Patients. Acad. Sci. J. 2025, 3 (1), 171-185. https://doi.org/10.24237/ASJ.03.01.812C.