doi.org/10.1016/S0140-6736(97)11212-0, hdl.handle.net/1765/55464
The Lancet
Department of Virology

Claas, E., Osterhaus, A., van Beek, R., de Jong, J., Rimmelzwaan, G., Senne, D. A., … Webster, R. (1998). Human influenza A H5N1 virus related to a highly pathogenic avian influenza virus. The Lancet, 351(9101), 472–477. doi:10.1016/S0140-6736(97)11212-0