References
- Brown MJ, Jenner DA (1981) Novel double–isotope technique for enzymatic assay of catecholamines Clin Sci 61 591–598.
- HammGd VA, Johnston DG (1984) A semi–automated assay for plasma catecholamines using HPLC with electrochemical detection. Clin Chem Acta 137 98–93.