secretion systems”. 《Trends in Microbiology》 12 (3): 113–5. March 2004. doi:10.1016/j.tim.2004.01.003. PMID 15001186. “Bacterial type III secretion systems
formation of the bacterial flagellar system, http://www.pnas.org/content/104/17/7116.full Evolution of bacterial type III protein secretion systems,http://www