title: [When to vaccinate or revaccinate children with neoplasms treated by chemotherapy].
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007115:Immunization Schedule; D016867:Immunocompromised Host; D007223:Infant; D009369:Neoplasms / Q000188:drug therapy*; D014612:Vaccines / Q000008:administration & dosage*
chemical_list: D014612:Vaccines