title: Letter: Catecholamine excretion levels in neuroblastoma.
mesh_terms: D002648:Child; D006801:Humans; D009447:Neuroblastoma / Q000175:diagnosis / Q000628:therapy / Q000652:urine*; D011379:Prognosis; D014642:Vanilmandelic Acid / Q000652:urine*
chemical_list: D014642:Vanilmandelic Acid