A study of primary bone tumors.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001859:Bone Neoplasms / Q000145:classification / Q000453:epidemiology*; D002648:Child; D002812:Chondroma / Q000453:epidemiology*; D002813:Chondrosarcoma / Q000453:epidemiology*; D006801:Humans