Late relapse of non-seminomatous testicular cancer during treatment of multiple sclerosis with interferon β-1a: A case report. - BLANCAS, ISABEL; CÁRDENAS, NURIA; DELGADO, MAYTE; JURADO, JOSE MIGUEL; LEGEREN, MARTA; VILLAESCUSA, ANA; GALVEZ, FERNANDO; YELAMOS, MARISOL (Oncology Letters, 2014)