00515nam a22001693a 4500003001700000005001700017008004100034020001500075020001900090040002100109050002200130100002300152245007200175260004500247300003400292504001900326ALUPE UNIVERSITY20210709074514.0921111s1992    enka          000 0 eng d  a0192619551  a0192621203 pbk  cALUPE UNIVERSITY  aRK 361b.P29 19921 aWilliams, David M.10aPathology of periodontal disease /cDavid M. Williams ... [et al.].  aOxford :bOxford University Press,c1992  aviii, 150 p. :bill. ;c30 cm  aIncludes index