title: [Availability and rational use of essential drugs in the treatment of cancer].
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D003131:Combined Modality Therapy; D006801:Humans; D009367:Neoplasm Staging; D009369:Neoplasms / Q000188:drug therapy* / Q000473:pathology / Q000532:radiotherapy; D011379:Prognosis
vernacular_title: Disponibilidad y uso racional de medicamentos esenciales para el tratamiento del cáncer.