Mild to moderate influenza activity in Europe and the detection of novel A(H1N2) and B viruses during the winter of 2001-02
Paget, W J and Meerhoff, T J and Goddard, N L and on behalf of EISS, Eurosurveillance, 7, 373 (2002), https://doi.org/10.2807/esm.07.11.00373-en