Veterinary immunology -- European Economic Community countries -- Congresses. : The mucosal immune system : proceedings of a seminar in the EEC Programme of Coordination of Agricultural Research on Protection of the Young Animal against Perinatal Diseases, held at the University of Bristol, School of Veterinary Science, Langford, Nr. Bristol, United Kingdom on September 9-11, 1980 / edited by F.J. Bourne
