Expanding contributions of the global laboratory network for poliomyelitis eradication, 2000-2001.
D019411:Clinical Laboratory Techniques; D003140:Communicable Disease Control / Q000379:methods*; D019058:Community Networks; D004196:Disease Outbreaks / Q000517:prevention & control*; D006801:Humans; D015994:Incidence; D007391:International Cooperation; D011051:Poliomyelitis / Q000453:epidemiology*; D017955:Poliovirus / Q000302:isolation & purification*; D014944:World Health Organization