title: India holds key to polio-free world.
authors.forename: David L
authors.initials: DL
authors.lastname: Heymann
mesh_terms: D006801:Humans; D007194:India / Q000453:epidemiology; D032541:Mass Vaccination; D009313:National Health Programs; D011051:Poliomyelitis / Q000453:epidemiology / Q000517:prevention & control*; D023321:Poliovirus Vaccines / Q000600:supply & distribution*; D011159:Population Surveillance; D016730:Program Development; D040241:Social Marketing
chemical_list: D023321:Poliovirus Vaccines