There must be a mechanism to ensure that trainees' exposure to clinical trials is not limited solely to trials that authors decide to report and that journal editors decide to publish. Even the informed reader, skilled in critical assessment of the literature, will not detect problems unless a minimum standard of information is available—for example, inclusion and exclusion criteria, study type, sample size, primary outcome measure and key secondary outcomes, and the specific name of the drug or investigational compound. Requiring the public registration of all clinical trials would be a good policy for the medical community to endorse.