Thoen Charles O, LoBue Philip A
Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA.
Division of Tuberculosis Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
Lancet. 2007 Apr 14;369(9569):1236-1238. doi: 10.1016/S0140-6736(07)60572-8.