title: Patients and physicians as obstacles to a randomized trial.
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D004992:Ethics, Medical; D006805:Human Experimentation; D006801:Humans; D007258:Informed Consent; D010819:Physician's Role; D011897:Random Allocation; D012380:Role; D013223:Statistics as Topic