CMAJ • October 25, 2005; 173 (9). doi:10.1503/cmaj.1041470.
© 2005 CMA Media Inc. or its licensors
All editorial matter in CMAJ represents the opinions of the authors and not necessarily those of the Canadian Medical Association.
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Efficacy of an extract of North American ginseng containing poly-furanosyl-pyranosyl-saccharides for preventing upper respiratory tract infections: a randomized controlled trial

Gerald N. Predy, Vinti Goel, Ray Lovlin, Allan Donner, Larry Stitt and Tapan K. Basu

From Capital Health (Predy) and the Department of Agricultural, Food and Nutritional Science, University of Alberta (Goel, Lovlin, Basu), Edmonton, Alta., and the Department of Epidemiology and Biostatistics, University of Western Ontario, London, Ont. (Donner, Stitt)



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  		Fig. 1: Flow of participants through the study.

 

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  		Table 4.