to assess the value in ewing 's sarcoma of a new multiagent therapy ( vincristine , cyclophosphamide , adriamycin , ( doxorubicin ) procarbazine ) , 30 children with a localized tumor ( eight distal , nine proximal , 13 central lesions ) treated at the institut gustave-roussy between 1973 and 1976 ( e3 ) , were pair-matched by site of primary with 30 control patients treated without intensive chemotherapy between 1967 and 1972 ( e1 ) at the same institution , both groups having the same local radiotherapy .
C0553580
ewing 's sarcoma
C0010583
cyclophosphamide