1. Scientific and ethical considerations in the use of placebo controls in clinical trials in psychopharmacology;Klerman;Psychopharmocology Bulletin,1986
2. A review of multicentre controlled studies of fluoxetine, imipramine and placebo in outpatients with major depressive disorder;Stark;Journal of Clinical Psychiatry,1985
3. Use of placebo in clinical trials;Rickels;Psychopharmacology Bulletin,1986
4. A comparison of fluoxetine, imipramine and placebo in patients with major depressive disorder;Colin;Journal of Clinical Psychiatry,1985