Polio :

Polio : the beginning of the end. = Polio : le commencement de la fin. - Geneva : World Health Organization, 1997. - 105 p.


eng fre rus.

WHODOC


Poliomyelitis--prevention and control.
Immunization programs--history--trends.
International cooperation.
Nongovernmental organizations.


Americas.
China.
Sudan.
Pakistan.
Albania.

WC 556 97PO
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