Battle of Thermopylae: 300 Spartans (natural killer cells plus obinutuzumab) versus the immortal warriors (chronic lymphocytic leukemia cells) of Xerxes’ army oleh Ricardo García-Muñoz, María-Josefa Nájera, Jesús Feliu, Judith Antón-Remírez, Enrique Ramalle-Gómara, Raquel Marín-Gorricho, Raisa Peralta, Elena Gutiérrez-Gamarra, Jessica Nuñez-Rodriguez, Ricardo Zafra-Morales, Lorea Aguinaga, María-Jose Nebot-Villacampa, Prisma-Monserrat Hernandez-Pérez, Giovanna Farfán-Quiroga, Carlos Panizo, Elena Domínguez-Garrido