| Literature DB >> 14487227 |
Abstract
Entities:
Keywords: POLIOMYELITIS/immunology; VACCINATION/statistics
Mesh:
Year: 1962 PMID: 14487227 PMCID: PMC1523045 DOI: 10.2105/ajph.52.6.946
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572