Eradication of polio in the Americas.
Robbins
F C
FC
Case Western Reserve University School of Medicine, Cleveland, Ohio 44106-4945.
D000569:Americas / Q000453:epidemiology; D003906:Developing Countries; D006801:Humans; D017589:Immunization Programs; D010175:Pan American Health Organization; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D014481:United States