APA

Graat J. M., Schouten E. G., Heijnen M. A., Kok F. J., Pallast E. G. M., de Greeff S. C. & Dorigo-Zetsma J. W. (20040224). A prospective, community-based study on virologic assessment among elderly people with and without symptoms of acute respiratory infection. : Journal of clinical epidemiology.

Chicago

Graat Judith M, Schouten Evert G, Heijnen Marie-Louise A, Kok Frans J, Pallast Esther G M, de Greeff Sabine C and Dorigo-Zetsma J Wendelien. 20040224. A prospective, community-based study on virologic assessment among elderly people with and without symptoms of acute respiratory infection. : Journal of clinical epidemiology.

Harvard

Graat J. M., Schouten E. G., Heijnen M. A., Kok F. J., Pallast E. G. M., de Greeff S. C. and Dorigo-Zetsma J. W. (20040224). A prospective, community-based study on virologic assessment among elderly people with and without symptoms of acute respiratory infection. : Journal of clinical epidemiology.

MLA

Graat Judith M, Schouten Evert G, Heijnen Marie-Louise A, Kok Frans J, Pallast Esther G M, de Greeff Sabine C and Dorigo-Zetsma J Wendelien. A prospective, community-based study on virologic assessment among elderly people with and without symptoms of acute respiratory infection. : Journal of clinical epidemiology. 20040224.