Nick Gilbert A, Savoia Elena, Elqura Loris, Crowther M Suzanne, Cohen Bradley, Leary Mary, Wright Tina, Auerbach John, Koh Howard K
Center for Public Health Preparedness, Division of Public Health Practice, Harvard School of Public Health, Boston, MA 02115, USA.
Public Health Rep. 2009 Mar-Apr;124(2):338-43. doi: 10.1177/003335490912400225.