00416nam 2268351 450000100060000000300230000600500090002900800410003808200120007907200240009102000180011510000220013326000180015524500370017365000240021065000140023468351StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a617.632 aperiodontal disease a0-19-261955-1 aDAVID A. WILLIAMS bOXFARD c1992 apathology fo periodontal disease aperiodontal disease apathology