Tumors (3) Mortality (3) Lymphomas (3) Teenagers (2) Nervous system (2) Health (2) Fees, Administrative (2) Children (2) Cancer (2) Tasas (2) Salud (2) Linfomas (2) Tumores (2) Mortalidad (2) Sistema nervioso (2) Adolescentes (2) tendance (1) étable (1) sécurité sociale (1) recherche (1) mortalité (1) âge (1) cancer (1) taux (1) Mexique (1) Mortality (1) Children (1) Cancer (1) Care (1) Methods (1)