High-dose methotrexate is the backbone of various regimens for treating lymphoid malignancies. Mucositis is a well-known. dose-related side effect of methotrexate. Prophylactic measures such as folinic acid rescue are useful but do not prevent mucositis in all the cases. https://lecoureures.shop/product-category/course-a-pied-femme-vetements-chandail-zip-brosse/