@book{296733,
	author = {Ryan, Kenneth J. and Ray, C.george},
	title = {Sherris microbiología médica de  : una introducción a las enfermedades infecciosas /  Kenneth J.Ryan, C.George Ray},
	publisher = {Mcgraw-Hill Interamericana},
	year = {2005},
	address = {México},
	edition = {4a.ed.}
}