Poliomyelitis immunisation programmes.
Aylward
B
B
Andrus
J
J
Bilous
J
J
Smith
J
J
Sanders
R
R
D002681:China; D006801:Humans; D017589:Immunization Programs; D007391:International Cooperation; D002052:Myanmar; D011051:Poliomyelitis / Q000517:prevention & control*