TY - STD TI - In vivo and ex vivo regulation of bacterial virulence gene expression. ID - ref1 ER - TY - STD TI - Science, [http://www.sciencemag.org] UR - http://www.sciencemag.org ID - ref2 ER - TY - STD TI - University of California in Los Angeles, [http://www.ucla.edu] UR - http://www.ucla.edu ID - ref3 ER -