Lesho Emil, Craft David, Kirkup Benjamin C, Waterman Paige, Summers Amy, Vahey Maryanne T, Kester Kent E, Bowden Robert
Walter Reed Army Institute of Research, Silver Spring, MD 20902, USA.
Lancet Infect Dis. 2011 Jan;11(1):8-10. doi: 10.1016/S1473-3099(10)70261-9.