1. Catecholamine metabolism in essential hypertension;Brunjes;New Engl. J. Med.,1964
2. Plasma catecholamines in patients with hypertension;Engelman;Circulat. Res.,1970
3. Plasma dopamine-β-hydroxylase and noradrenaline amounts in essential hypertension;Geffen;Clin. Sci.,1973
4. Modification of van der Viese's method for determining of cortisol in human plasma;Hacik;Bratisl. lek. Listy,1973
5. Determination of catecholamines in the plasma of patients’ with essential hypertension and of normal persons;Imai;Clin. chim. Acta,1973