LANG, NIKLAUS P. & LINDHE, JAN CLINICAL PERIODONTOLOGY AND IMPLANT DENTISTRY VOL-2 - 6 - UK WILEY- BLACLWELL 2015 - XXIII, 1371p. ISBN: 9780470672488 Subjects--Topical Terms: PERIODONTICS Dewey Class. No.: 617.632 LAN-CLI