| Literature DB >> 14364287 |
Abstract
In an unusually intense and severe outbreak of poliomyelitis, close personal contact, either directly or through intermediaries, with persons with poliomyelitis appeared to be the only significant factor common to the majority of the cases studied.Entities:
Keywords: POLIOMYELITIS/epidemiology
Mesh:
Year: 1955 PMID: 14364287 PMCID: PMC1532406
Source DB: PubMed Journal: Calif Med ISSN: 0008-1264