1. Efficacy of nifedipine as a step 3 antihypertensive drug;Murphy;Hypertension,1983
2. Effect of chronic nifedipine in patients inadequately controlled by a converting enzyme inhibitor and a diuretic;Mimran;J Cardiovasc Pharmacol,1985
3. The use of nifedipine as a third-step agent in the treatment of refractory hypertension;Brennan;Ir Med J,1982
4. Nifedipine in the treatment of difficult hypertensives;Dean;Eur J Clin Pharmacol,1982
5. Antihypertensive effects at rest and during exercise of a calcium blocker, nifedipine, alone and in combination with metoprolol;Ekelund;Acta Med Scand,1982