1. The 2009 influenza pandemic
Adam Bochenek, Dariusz Majkowski 
The Lancet Infectious Diseases 
Volume 13, Issue 3, Pages (March 2013)
DOI: /S (12)
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2. Figure
Deaths registered in Poland as respiratory failure (International Classification of Diseases 10 J96·0–J.96·9), 2002–2010
Based on data from Demographic Database, Central Statistical Office of Poland.
The Lancet Infectious Diseases  , DOI: ( /S (12) )
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