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2. Editorial: Placebos and controlled trials under attack;Lasagna;Eur J Clin Pharmacol,1979
3. Dose response to chlorthalidone in patients with mild hypertension;Materson;Clin Pharmacol Ther,1978
4. Blood concentration and urinary excretion of captopril (SQ 14,225) in patients with chronic renal failure;Onoyama;Hypertension,1981
5. Difficulties in evaluating positive control trials;Temple,1983