DIAGNOSTIC VALUE OF THE CA-125/CEA RATIO FOR DIFFERENTIATING PRIMARY OVARIAN CARCINOMA FROM GASTROINTESTINAL MALIGNANCIES IN A TERTIARY GYNECOLOGIC ONCOLOGY CENTER IN NORTH MACEDONIA. Macedonian J Anaesth [Internet]. 2026 Mar. 24 [cited 2026 Jun. 11];10(1):43-9. Available from: https://new.mja.mk/index.php/journal/article/view/6