New England Journal of Medicine
December 9, 2010 Vol. 363 No. 24
http://content.nejm.org/current.shtml
Perspective
A National Cholera Vaccine Stockpile — A New Humanitarian and Diplomatic Resource
M.K. Waldor, P.J. Hotez, J.D. Clemens
Free full-text: http://www.nejm.org/doi/pdf/10.1056/NEJMoa1001593