| Literature DB >> 14361800 |
Abstract
Entities:
Keywords: POLIOMYELITIS/prevention and control; VACCINES AND VACCINATION
Mesh:
Substances:
Year: 1955 PMID: 14361800 PMCID: PMC1623209 DOI: 10.2105/ajph.45.5_pt_1.575
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572