| Literature DB >> 14361789 |
J L MELNICK, J R PAUL, M WALTON.
Abstract
Entities:
Keywords: POLIOMYELITIS/epidemiology
Mesh:
Year: 1955 PMID: 14361789 PMCID: PMC1624896 DOI: 10.2105/ajph.45.4.429
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572