title: [Osteosarcoma in childhood].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001859:Bone Neoplasms / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D003604:Czechoslovakia; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009362:Neoplasm Metastasis; D012516:Osteosarcoma / Q000453:epidemiology*
vernacular_title: Osteosarkom v dĕtském vĕku