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A prospective, community-based study on virologic assessment among elderly people with and without symptoms of acute respiratory infection.
J Clin Epidemiol. 2003 Dec;56(12):1218-23. doi: 10.1016/s0895-4356(03)00171-9.
J Clin Epidemiol. 2003.
PMID: 14680673
Free PMC article.
Effect of daily vitamin E and multivitamin-mineral supplementation on acute respiratory tract infections in elderly persons: a randomized controlled trial.
Graat JM, Schouten EG, Kok FJ.
Graat JM, et al.
JAMA. 2002 Aug 14;288(6):715-21. doi: 10.1001/jama.288.6.715.
JAMA. 2002.
PMID: 12169075
Clinical Trial.
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