[Immunization strategy for poliomyelitis in China].
Chu
Jia-you
JY
Zhang
Yan-ping
YP
D002681:China; D006801:Humans; D017589:Immunization Programs; D011051:Poliomyelitis / Q000517:prevention & control*; D023321:Poliovirus Vaccines / Q000008:administration & dosage
D023321:Poliovirus Vaccines