3rd World Congress Foodborne Infections and Intoxications : proceedings 16-19 June 1992 Berlin = 3 Weltkongress Lebensmittelinfektionen und -intoxikationen = 3ème Congrès Mondial Toxi-infections Alimentaires = 3o Congreso Mundial Toxiinfecciones Alimentarias. (Institute of Veterinary Medicine : Robert von Ostertag-Institute, 1992)