Advantages and drawbacks of the Zelen design for randomized clinical trials.
D035061:Control Groups; D030881:Disclosure; D006805:Human Experimentation; D006801:Humans; D007258:Informed Consent; D008722:Methods; D018579:Patient Selection; D004364:Pharmaceutical Preparations; D011897:Random Allocation; D012107:Research Design; D035842:Research Subjects
Biomedical and Behavioral Research