1. Determination of dopamine and methoxycatecholamines in patient urine by liquid chromatography with electrochemical detection and by capillary electrophoresis coupled with spectrophotometry and mass spectrometry;Vuorensola;J Chromatogr B Analyt Technol Biomed Life Sci,2003
2. Simultaneous measurement of catecholamines and kallikrein in urine using boric acid preservative;Lee;Clin Chim Acta,1998
3. Lenders Sweep FC Stability of urinary fractionated metanephrines and catecholamines during collection shipment and storage of samples;Willemsen;Clin Chem,2007
4. Determination of dopamine and methoxycatecholamines in patient urine by liquid chromatography with electrochemical detection and by capillary electrophoresis coupled with spectrophotometry and mass spectrometry;Vuorensola;J Chromatogr B Analyt Technol Biomed Life Sci,2003
5. study on the stability of urinary free catecholamines and free methyl - derivatives at different pH temperature and time of storage;Roberts;Clin Chem Lab Med,2010