1. Influence of Clonidine (Catapressan-ST 155) on the muscle blood flow in the legs of hypertensive patients (antagonism of tolazoline);Amery;Angiologica,1970
2. Hypotensive action and side effects of clonidinechlorthalidone and methyldopa-chlorthalidone in treatment of hypertension;Amery;Brit. med. J.,1970
3. Treatment of severe hypertension with Catapres;Becker-Christensen;Ugeskr. Laeg.,1970
4. Analysis of the cardiovascular effects of 2-(2,6-dichlorophenyl-amino)-2-imidazoline hydrochloride (catapres);Constantine;Europ. J. Pharmacol.,1968