To the Editor: We applaud the efforts of Wasiak et al to apply the principles of evidence-based medicine to answer clinical questions.1 However, it is important to understand the historical context of clinical trials reported in the literature, and, when necessary (eg, when conducting a meta-analysis or when the results of trials appear to conflict), to seek additional information from the authors.
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- H Kerr Graham
- Roslyn N Boyd
- Darcy Fehlings
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