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Methotrexate injection is used alone or in combination with other medications: to treat certain types of acute lymphocytic leukemia (ALL) in adults and children; to treat or prevent meningeal leukemia (cancer in the covering of the spinal cord and brain) in adults and children; to treat certain types of non-Hodgkin's lymphoma (types of cancer that begin in a type of white blood cells that normally... https://medlineplus.gov/druginfo/meds/a682018.html
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