3Garten RJ,Davis CT,Russell CA,et al.Antigenic and genetic characteristics of swine-origin 2009 A(H1N1) influenza viruses circulating in humans[J].Science,2009,325(5937):197-201. 被引量:1
4Centers for Disease Control and Prevention (CDC).Swine Influenza A (H1N1) infection in two children-Southern California,March-April 2009[J].Morb Mortal Wkly Rep,2009,58(15):400-402. 被引量:1