Thi Hoai Ly, Nguyen, Van Thang, Nguyen, Quynh Lan, Phan, Le Trang, Nguyen, Vu Hai Ngoc, Nguyen, Thi Thu Trang, Tran, AND Tu Son, Nguyen. " Current Practice of High-Dose Methotrexate Use in Osteosarcoma Patients at Vinmec Times City Hospital" VNU Journal of Science: Medical and Pharmaceutical Sciences [Online], Volume 42 Number 1S (27 May 2026)