Abstract
Get full access to this article
View all access options for this article.
References
1.
Gay
NJ.
The theory of measles elimination: implications for the design of elimination strategies . J Infect Dis , 2004 ; 189 :S27 -S35 .
2.Public Health Service . Smallpox in Yugoslavia . September 22 , 1972 . http://www.nlm.nih.gov/nichsr/esmallpox/SmallpoxYugoslavia-EPI-72-91-2.pdf. Accessed August 20 , 2014