Comments on: Identification of Influenza Cases During the H1N1 Pandemic in Massachusetts Using Population-Based Hospital Discharge Data http://currents.plos.org/influenza/article/identification-of-influenza-cases-12ffokzyba7k9-3/ Fri, 24 May 2013 13:41:01 +0000 hourly 1 http://wordpress.org/?v=4.2.4