OUTCOMES OF SUPERIORLY BASED NASOLABIAL ISLAND FLAPS IN NASAL SKIN CANCER RECONSTRUCTION: A REPORT OF 20 CASES. YHCĐ [Internet]. 2026 July 6 [cited 2026 Sept. 8];67(CĐ8-NCKH). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/5673