This year in medicine: 2009.
The Lancet
D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology; D007883:Legislation, Medical / Q000639:trends; D010506:Periodicals as Topic / Q000639:trends*; D013812:Therapeutics / Q000639:trends; D014481:United States