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2. The occurrence of Salmonella in domestic sewage and abattoir wastes with special reference to the epidemiology;Jørgensen;Roy. Vet. Agr. Coll., Copenhagen, Den., Yearbook,1962
3. The Enterobacteriaceae of some small mammals and birds, and their possible role in gastroenteritis in man and domestic animals;Lofton;Zoonoses Res.,1962
4. United States Public Health Service, Division of Water Pollution Group The Public health significance of enteric pathogens in waters of the southwesttern United States; a progress report upon a cooperative investigation by the New Mexico State Department of Public Health and the Division of Water Pollution Control Western Gulf and Colorado Basins, Dallas, Texas 1952