title: Proceedings: Childhood cancer epidemiology: two international activities.
mesh_terms: D000367:Age Factors; D002648:Child; D003142:Communication; D004501:Education, Medical; D006266:Health Education; D006761:Hospitals; D006801:Humans; D007390:International Agencies; D009369:Neoplasms / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology / Q000473:pathology / Q000517:prevention & control / Q000628:therapy; D012042:Registries; D014944:World Health Organization