E. C. Powell

🏛 From the USDA, Agricultural Research Service, Livestock and Poultry Sciences Institute, Parasite Biology and Epidemiology Laboratory, Beltsville, MD 20705-2350 (Dubey); Laboratoire de la Toxoplasmose, Institut de Puériculture de Paris 26, Boulevard Brune, 75014 Paris, France (Thulliez); Department of Veterinary Pathobiology, University of Illinois, Urbana, IL 61801 (Weigel); USDA, Food Safely and Inspection Service, Science and Technology, Beltsville, MD 20705 (Andrews); Danish Veterinary Laboratory...