| Literature DB >> 13651930 |
Abstract
Entities:
Keywords: INFLUENZA/epidemiology; RESPIRATORY TRACT/infections; VIRUS DISEASES/epidemiology
Mesh:
Year: 1959 PMID: 13651930 PMCID: PMC2537758
Source DB: PubMed Journal: Bull World Health Organ ISSN: 0042-9686 Impact factor: 9.408