Progress towards poliomyelitis eradication, Nepal, 1996-1999.
D006801:Humans; D017589:Immunization Programs / Q000706:statistics & numerical data; D008137:Longitudinal Studies; D009390:Nepal / Q000453:epidemiology; D010243:Paralysis / Q000453:epidemiology; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control*; D011159:Population Surveillance