@book{13845,
	author = {Niklaus T.Lang (Editor)},
	title = {Clinical periodontology and implant dentistry },
	publisher = {Wiley Blackwell },
	year = {2015},
	address = {West Sussex (UK)},
	note = {includes bibliographic reference and index.
Vol. 1: Basic concepts. xxiii, 555 P.
Vol. 2: Clinical concepts. xxiii, 1370 P.
}
}