@book{266,
	author = {Kahn, Michael A. and Hall, J. Michael. and American Dental Association.},
	title = {The ADA practical guide to soft tissue oral disease /},
	publisher = {Wiley, },
	year = {c2018.},
	series = {Practical guide series},
	address = {Hoboken, NJ : },
	edition = {2nd ed.}
}