Some Pharmaceutical Clinical Trial Results Are Buried, Study

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	Quote:
	Results from fully one third of the clinical trials of five classes of drugs never see the light of day, finds an analysis published in Annals of Internal Medicine. The drugs were anticholesteremics, antidepressants, antipsychotics, proton-pump inhibitors (which reduce gastric acid), and vasodilators (which relax blood-vessel walls in order to reduce blood pressure).