2010 Staff Author(s) Citation Pickett, S., Coombes, R., Sansom, A., Musgrove, A.J. & Siriwardena, G. 2010. Reducing the risk of exposure of free range poultry to highly pathogenic avian influenza (H5N1) in Britain. Download PDF Staff author(s) Andy Musgrove Gavin Siriwardena