Modification of the Helena electrophoretic procedure for urinary VMA for paediatric purposes.
D002648:Child; D004586:Electrophoresis / Q000379:methods*; D006801:Humans; D009447:Neuroblastoma / Q000175:diagnosis; D014642:Vanilmandelic Acid / Q000652:urine*
D014642:Vanilmandelic Acid