00496nam 2268866 450000100060000000300230000600500090002900800410003808200120007907200350009102000060012610000190013226000290015124500510018065000350023165000220026665000280028868866StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a617.601 aetiology of periodontal deases a- aDonald f.adams bLIPPINCOTT. RAVER c1993 atextbook of practitioners of general dentistry aetiology of periodontal deases ageneral dentistry athe normal periodontium