Chuong ND, Tho NTK. EVALUATING FRONTAL SINUS OPACIFICATION SEVERITY USING THE LUND-MACKAY SCORE BASED ON ANATOMICAL VARIANTS OF POSTERIOR FRONTAL RECESS CELLS THROUGH IMAGING ANALYSIS. YHCĐ [Internet]. 2 Tháng Sáu 2026 [cited 6 Tháng Tám 2026];67(English Version No 1, 2026). Available at: http://tapchiyhcd.vn/index.php/yhcd/article/view/5248