If physicians are to base treatment decisions on the evidence in the
medical literature, all the relevant results of trials must be available easily
and consistently. Yet it is common to have trouble identifying the hypothesis,
the research question, and the design of a published trial. It is even more
common to lose count of the participants or to be unable to tell who received
what therapies and the type of analysis used. As a result, it is often impossible
to know whether the conclusions are justified by the data.
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