SUBCLINICAL CHARACTERISTICS AND FACTORS ASSOCIATED WITH PRIMARY CHEMOTHERAPY RESISTANCE IN GESTATIONAL TROPHOBLASTIC NEOPLASIA PATIENTS WITH FIGO SCORES OF 5–6 AT NATIONAL HOSPITAL OF OBSTETRICS AND GYNECOLOGY. YHCĐ [Internet]. 2026 Sept. 25 [cited 2026 Oct. 19];67(CD15). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/6801