Dudeck Margaret A, Horan Teresa C, Peterson Kelly D, Allen-Bridson Katherine, Morrell Gloria, Pollock Daniel A, Edwards Jonathan R
Division of Healthcare Quality Promotion, National Center for Emerging, Zoonotic, and Infectious Diseases, Centers for Disease Control and Prevention, Public Health Service, US Department of Health and Human Services, Atlanta, GA 30329, USA.
Am J Infect Control. 2011 Dec;39(10):798-816. doi: 10.1016/j.ajic.2011.10.001.