The clinical and roentgen aspects of Ewing's sarcoma.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002699:Chlorambucil / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D008727:Methotrexate / Q000627:therapeutic use; D008875:Middle Aged; D012512:Sarcoma, Ewing
D002699:Chlorambucil; D008727:Methotrexate