title: Chemical basis and specificity of chemical screening tests for urinary vanilmandelic acid.
mesh_terms: D001391:Azo Compounds; D005069:Evaluation Studies as Topic; D006801:Humans; D007202:Indicators and Reagents; D008403:Mass Screening; D008722:Methods; D009447:Neuroblastoma / Q000175:diagnosis / Q000652:urine; D010673:Pheochromocytoma / Q000175:diagnosis / Q000652:urine; D013329:Structure-Activity Relationship; D014642:Vanilmandelic Acid / Q000652:urine*
chemical_list: D001391:Azo Compounds; D007202:Indicators and Reagents; D014642:Vanilmandelic Acid