High Dose Methotrexat Liver Toxicity - Mashhadi, Mohammad ali; Mahammadi, Mohammd; Bakhshipour, Alireza; Keikhaei, Mahmoudali; Sandoughi, Mahnaz; Heidari, Zahra; Sanadgol, Hooshang; Mashhadi, Amin (International Journal of Hematology-Oncology and Stem Cell Research)