| Literature DB >> 14482972 |
R L OZERE, R FAULKNER, C E VAN ROOYEN.
Abstract
Entities:
Keywords: POLIOMYELITIS/epidemiology; SEWAGE/virology
Mesh:
Substances:
Year: 1961 PMID: 14482972 PMCID: PMC1848754
Source DB: PubMed Journal: Can Med Assoc J ISSN: 0008-4409 Impact factor: 8.262