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| Printable Copy |
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Surveillance Systems to Track Progress Toward Polio Eradication--Worldwide, 2014-2015.
Snider CJ, Diop OM, Burns CC, Tangermann RH, Wassilak SG.
MMWR Morb Mortal Wkly Rep. 2016 Apr 8;65(13):346-51. doi: 10.15585/mmwr.mm6513a3
https://www.cdc.gov/mmwr/volumes/65/wr/mm6513a3.htm
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