OUTCOMES OF SURGICAL TREATMENT FOR CLOSED INTERTROCHANTERIC FEMORAL FRACTURES USING PFNA NAILS UNDER FLUOROSCOPIC GUIDANCE AT HA TINH PROVINCIAL GENERAL HOSPITAL. YHCĐ. 2026;67(CĐ7-Trường ĐH Y Dược Hải Phòng). doi:10.52163/yhc.v67iCD7.5629