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Ian G. Williamson, MD, senior lecturer, University of Southampton, England.
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Morten Lindbaek, MD, PhD, professor, University of Oslo, Norway.
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Piccirillo, J.F. The New England Journal of Medicine, Aug. 26, 2004.
Schumann, S.A. and Hickner, J. Journal of Family Practice, July 2008.
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Reviewed by Jennifer Robinson, MD on July 31, 2018
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