Hoti, A., E. Gashi, F. Kraja, and A. Sallaku. “Association of Carcinoembryonic Antigen (CEA) and Cancer Antigen 15-3 (CA 15-3) With Socio-Demographic Factors and Metastases Site in Women With Metastatic Breast Cancer in Albania”. South Eastern European Journal of Public Health, Jan. 2023, doi:10.56801/seejph.vi.116.