15. THE RELATIONSHIP BETWEEN NUTRITION AND SOME SIDE EFFECTS OF HIGH-DOSE METHOTREXATE ON BONE CANCER PATIENTS AT THE PEDIATRIC DEPARTMENT OF K HOSPITAL. (2025). Vietnam Journal of Community Medicine, 66(CĐ7-HNKH Bệnh viện K). https://doi.org/10.52163/yhc.v66iCD7.2396