“EVALUATE OF THE TREATMENT OUTCOMES OF ORONASAL FISTULA CLOSURE USING MUCOPERIOSTEAL FLAP IN PATIENTS WITH CLEFT LIP AND PALATE AT THE HANOI CENTRAL ODONTO-STOMATOLOGY HOSPITAL FROM JUNE 2019 TO SEPTEMBER 2020”, YHCĐ, vol. 67, no. 6, June 2026, doi: 10.52163/yhc.v67i6.5513.