@book{94887,
	author = {Betts, Robert F.},
	title = {A practical approach to infectious diseases /},
	publisher = {Lippincott Williams & Wilkins,},
	year = {[2003]},
	address = {Philadelphia :},
	edition = {Fifth edition.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10838640}
}