00321nam a22001337a 4500003000400000020001800004082001800022100002400040245006700064250000900131260001900140300000900159650001900168SGT  a9780323878876  a617.632bN24N  aNewman, Michael G.   aNewman and Carranza's Clinical Periodontology and Implantology  a14th  bElsevierc2024  a1087  aPeriodontology