title: An improved specific laboratory test for homocystinuria.
mesh_terms: D002855:Chromatography, Thin Layer / Q000379:methods; D004355:Drug Stability; D006712:Homocystinuria / Q000652:urine*; D006801:Humans; D009599:Nitroprusside; D012835:Silver Nitrate
chemical_list: D009599:Nitroprusside; D012835:Silver Nitrate