title: Update on emerging infections from the Centers for Disease Control and Prevention. Severe Clostridium difficile-associated disease in populations previously at low risk--four states, 2005.
authors.affiliation: Department of Emergency Medicine, Olive View-University of California, Los Angeles Medical Center, Sylmar, CA, USA.
authors.forename: Frank M
authors.initials: FM
authors.lastname: Abrahamian
authors.forename: David A
authors.initials: DA
authors.lastname: Talan
authors.forename: Gregory J
authors.initials: GJ
authors.lastname: Moran
authors.forename: Robert
authors.initials: R
authors.lastname: Pinner