A prospective, community-based study on virologic assessment among elderly people with and without symptoms of acute respiratory infection

Author: Graat J.M.   Schouten E.G.   Heijnen M.-L.A.   Kok F.J.   Pallast E.G.M.   de Greeff S.C.   Dorigo-Zetsma J.W.  

Publisher: Elsevier

ISSN: 0895-4356

Source: Journal of Clinical Epidemiology, Vol.56, Iss.12, 2003-12, pp. : 1218-1223

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