title: Gas chromatography in the estimation of urinary metanephrines and VMA.
mesh_terms: D000605:Amino Alcohols / Q000652:urine*; D002395:Catecholamines / Q000652:urine*; D002624:Chemistry, Clinical; D002849:Chromatography, Gas; D003404:Creatinine / Q000652:urine; D005421:Flavoring Agents / Q000032:analysis; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods; D010504:Periodic Acid; D012825:Silicon; D013053:Spectrophotometry; D014642:Vanilmandelic Acid / Q000652:urine*
chemical_list: D000605:Amino Alcohols; D002395:Catecholamines; D005421:Flavoring Agents; D010504:Periodic Acid; D014642:Vanilmandelic Acid; D003404:Creatinine; D012825:Silicon