@article {1406,
	title = {Sherris Medical Microbiology: An Introduction to Infectious Disease},
	year = {2004},
	url = {https://www.scirp.org/(S(oyulxb452alnt1aej1nfow45))/reference/ReferencesPapers.aspx?ReferenceID=225100},
	author = {KJ Ryan and CG Ray}
}
