00624 am a22002178a 4500 006922393 20161208113136.0 020719s2002 xxc || 000 ||eng 1550091840 : 9781550091847 617.632 21 HAL Hall, Walter B. 32100 Critical Decisions in Periodontology / Walter B. Hall. 4th ed. Hamilton, Ont. ; London : B C Decker, 2002. 324 p. : ill. ; 28 cm. Includes CD-ROM. Dent January2013 32101 Periodontal disease ddc DN 17164 17136 0 0 ddc 0 0 MAIN MAIN 1ST 2013-01-29 Donation 02516 3 617.632 HAL 000027924 2025-07-15 00:00:00 2018-08-14 BB