4Hasan UA,Abai AM,Harper DR,et al.Nucleic acid immunization:concepts and techniques associated with third generation vaccines[J].Journal of Immunological Methods,1999,229:1-22.
5Yoon WS,Park SH,Park YK,et al.Comparison of responses elicited by immunization with a Legionella species common lipoprotein delivered as naked DNA or recombinant protein[J].DNA and Cell Biology,2002,21:99-107.
6Weissgerber P,Faigle M,Northoff H,et al.Investigation of mechanisms involved in phagocytosis of Legionella pneumophila by human cells[J].FEMS Microbiol Lett,2003,219(2):173-179.
7Klein TW,Newton CA,Nakachi N,et al.Delta 9-tetrahydrocannabinol treatment suppresses immunity and early IFN-gamma,IL-12,and IL-12 receptor beta 2 responses to Legionella pneumophila infection[J].J Immunol,2000,164(12):6461-6466.