![](/img/cover-not-exists.png)
For some groups traditionally considered to be 'high risk', the evidence of an increased risk of severe influenza-associated illness is poor quality
Horby, P.Volume:
19
Language:
english
Journal:
Evidence-Based Medicine
DOI:
10.1136/eb-2013-101572
Date:
June, 2014
File:
PDF, 36 KB
english, 2014