00516pam a2200205 a 4500 Dental College Lib eng eng 617.632 COH Cohen, E S . Atlas of Periodontal Surgery / . Textual Documents 1st / . Philadelphia : lea & Febiger , 1988. 260 ; . 2007.50 Periodontology 1313 40716 40716 0 0 0 0 DCP DCP 1900-01-01 2007.50 0 617.632 COH DCP-714 2026-05-13 00:00:00 1 2023-02-24 BK