For citations:
Simavonyan Z.K., Valiev T.T., Ryabukhina Yu.E., Zeynalova P.A. Early toxicity of high-dose methotrexate in the treatment of non-hodgkin lymphomas in children. Oncohematology. 2025;20(1):23-27. (In Russ.) https://doi.org/10.17650/1818-8346-2025-20-1-23-27