00362pam a2200133 a 4500020000500000041000500005082001900010100001900029245009500048250000900143260004100152300001900193653001600212  c  h  a617.634 2bOST  aOstavik,eDag.  aEssential Endodontology Prevention and Treatment of aical PeriodontitishTextual Documents  a2nd.  a[s.l]:bBlackwell Munksgaard,c2008.  a478:c25*19.5.  aEndodontics