title: Vanilmandelic acid urinary excretion in the diagnosis of retinoblastoma.
mesh_terms: D002675:Child, Preschool; D005134:Eye Neoplasms / Q000652:urine*; D006801:Humans; D007223:Infant; D008722:Methods; D009447:Neuroblastoma / Q000652:urine; D012175:Retinoblastoma / Q000652:urine*; D013997:Time Factors; D014642:Vanilmandelic Acid / Q000652:urine*
chemical_list: D014642:Vanilmandelic Acid