title: pH1N1 influenza A: timing is everything.
authors.forename: Matthew J
authors.initials: MJ
authors.lastname: Memoli
mesh_terms: D003422:Critical Care; D004196:Disease Outbreaks; D006760:Hospitalization; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology / Q000628:therapy*; D008875:Middle Aged; D013997:Time Factors; D014481:United States / Q000453:epidemiology