Ali K. Serum Tumor Markers CA15-3 and CEA for Early Breast Cancer Detection in a Low-Resource Population: A Cross-Sectional Study from Al-Jufra, Libya. waujpas [Internet]. 2026 May 16 [cited 2026 May 18];4(1):362-6. Available from: https://waujpas.com/index.php/journal/article/view/378