Hispanic ethnicity is associated with prolonged clearance of high dose methotrexate and severe nephrotoxicity in children and adolescents with acute lymphoblastic leukemia. Issue 11 (18th September 2020) - Mullikin, Dolores; Ranch, Daniel; Khalfe, Yasmin; Lucari, Brandon; Zobeck, Mark C.; Assanasen, Chatchawin; Gramatges, M. Monica; Scheurer, Michael E.; Schafer, Eric S.