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2. Enalapril (MK 421) and its lysine analogue (MK 521): a comparison of acute and chronic effects on blood pressure, renin-angiotensin system and sodium excretion in normal man;Hodsman, G.P.; Zabludowski, JR, Zoccali; C, Fraser; R, Morton; JJ, Murray; G.D.;Br J Clin Pharmacol,1984
3. Central and peripheral indices of sympathetic activity after blood pressure lowering with enalapril (MK-421) or hydralazine in normotensive rats;Kohlmann 0 Jr, Bresnahan M, Gavras H;Hypertension,1984
4. Non-sulfhydryl containing angiotensin converting enzyme inhibition (MK 421): evidence for a role of renin system in normotensive subjects;MacGregor, C.A.; Markandu, N.D.; Bayliss, J.; Roulston, J.E.; Squires, M.; Morton, J.J.;Br Med J,1981
5. Methods of exercise testing. Step test, bicycle, treadmill, isometrics;Bruce, R.A.;Am J Cardiol,1974