Smith Philip W, Bennett Gail, Bradley Suzanne, Drinka Paul, Lautenbach Ebbing, Marx James, Mody Lona, Nicolle Lindsay, Stevenson Kurt
College of Medicine, University of Nebraska Medical Center, Omaha, Nebraska 68198-5400, USA.
Am J Infect Control. 2008 Sep;36(7):504-35. doi: 10.1016/j.ajic.2008.06.001.