@book{240002,
	author = {Collier, L. H. and Oxford, J. S.},
	title = {Virología humana},
	publisher = {McGraw-Hill},
	year = {c2008.},
	address = {México},
	edition = {Tercera edición},
	url = {http://www.loc.gov/catdir/enhancements/fy0635/91024098-d.html}
}