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Transient population bypassed by polio vaccination programmes in Yunnan Province, China
Lancet (London, England)
|November 5, 1997
Abstract
No abstract available in PubMed .
Keywords:
Age FactorsAsiaChildChinaComparative StudiesDelivery Of Health CareDemographic FactorsDeveloping CountriesDiseasesEastern AsiaEconomic FactorsHealthHealth ServicesHuman ResourcesImmunizationLabor ForceMigrant WorkersMigrationNonmigrantsPoliomyelitisPopulationPopulation CharacteristicsPopulation DynamicsPrimary Health CareResearch MethodologySampling StudiesStudiesSurveysVaccinationViral DiseasesYouth