title: Erythropoietin levels in Wilms tumor patients.
mesh_terms: D000328:Adult; D002648:Child; D004921:Erythropoietin / Q000032:analysis*; D006801:Humans; D007503:Iron Isotopes; D007668:Kidney / Q000378:metabolism; D007680:Kidney Neoplasms / Q000503:physiopathology*; D009362:Neoplasm Metastasis; D009392:Nephrectomy; D009396:Wilms Tumor / Q000503:physiopathology*
chemical_list: D007503:Iron Isotopes; D004921:Erythropoietin