Corrigendum to 'LC-MS metabolomics comparisons of cancer cell and macrophage responses to methotrexate and polymer-encapsulated methotrexate' [International Journal of Pharmaceutics: X Volume 1 (2019) 100036] - Mohammad Ahmad Al-Natour; Ali Alazzo; Amir M. Ghaemmaghami; Dong-Hyun Kim; Cameron Alexander (Elsevier, 2020)