IfosfamideMesnaAntineoplastic Agents, AlkylatingEtoposideSarcomaAntineoplastic Combined Chemotherapy ProtocolsCisplatinSoft Tissue NeoplasmsDoxorubicinCarboplatinDrug Administration ScheduleBiotransformationSalvage TherapyGerminomaSarcoma, EwingBone NeoplasmsPhosphoramide MustardsCombined Modality TherapyInfusions, IntravenousCarbocysteineVincristineGranulocyte Colony-Stimulating FactorTesticular NeoplasmsCyclophosphamideOsteosarcomaFanconi SyndromeNeuroectodermal Tumors, PrimitiveAcetaldehydeTreatment OutcomeChromatography, High Pressure LiquidDose-Response Relationship, DrugPaclitaxelProtective AgentsBromisovalumLung NeoplasmsProdrugsDisease-Free SurvivalSurvival AnalysisSurvival RateCarcinoma, Small CellNeoplasms, Germ Cell and EmbryonalRemission InductionMetabolomicsVinblastineMetabolomePharmacists' AidesCytochrome P-450 Enzyme SystemDrug EvaluationGas Chromatography-Mass SpectrometryCarcinosarcomaCytochrome P-450 CYP2B1MercaptoethanolEpirubicinHematologic DiseasesRhabdomyosarcomaLeukopeniaHydroxylationMethotrexateBleomycinMitomycinAlopeciaNeoplasms