Palabras claves: Childhood cancer, Leukemia, Lymphoma, Mortality , tumors
Autores: Ana Cristina Avilés Jaya, Cristobal Ignacio Espinoza Díaz, Evelyn Carrión Cisne Carrión Salinas, Felipe Rodríguez Cajiao, Henrry Sebastián Córdova Córdova, Jhersson Rivadeneira Campoverde, Johana Carolina Rivera Pérez, Jonathan Steven Alvarez Silva