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
eng fre rus.
WHODOC
Poliomyelitis--prevention and control.
Immunization programs--history--trends.
International cooperation.
Nongovernmental organizations.
Americas.
China.
Sudan.
Pakistan.
Albania.
WC 556 97PO