World Polio Day: WHO European Region Celebrates Continued Polio-Free Status
References
1. www.http://www.euro.who.int/en/data-and-evidence
Review
For citations:
Article E. World Polio Day: WHO European Region Celebrates Continued Polio-Free Status. Epidemiology and Vaccinal Prevention. 2016;15(5):88-89. (In Russ.)