36. ONLINE LEARNING EXPERIENCE DỦRING THE 2021-2022 ACADEMIC YEAR OF 5th YEAR STUDENTS (COURSE 2018-2024) OF MEDICAL DOCTOR PROGRAM, HANOI MEDICAL UNIVERSITY. YHCĐ. 2025;66(CĐ2-NCKH). doi:10.52163/yhc.v66iCĐ2.2229