Methotrexate-induced acute leukemia: Report of three cases and review of the literature. Clin. Med. Case Rep. 2009, 2, 43–49. [Google Scholar] [CrossRef] [Green Version] Pina-Jimenez, E.; Calzada, F.; Bautista, E.; Ordoñez-Razo, R.M.; Velazquez, C.; Barbosa, E.; Garcia-...