| Literature DB >> 28931239 |
Janet E McElhaney1, Shelly A McNeil2.
Abstract
Keywords: Influenza vaccine effectiveness; older adults; test negative design
Mesh:
Substances:
Year: 2017 PMID: 28931239 DOI: 10.1093/infdis/jix269
Source DB: PubMed Journal: J Infect Dis ISSN: 0022-1899 Impact factor: 5.226