@book{97938,
	author = {Kahn, Michael A.,},
	title = {The ADA practical guide to soft tissue oral disease /},
	publisher = {John Wiley & Sons,},
	year = {2014.},
	address = {Chichester, West Sussex, United Kingdom :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10851691}
}