00374pam a2200133 a 4500020002400000041000500024082001700029100001900046245008400065250000900149260004400158300001900202653001900221 a978-0-766-82660-0c h a617.632bDIE aDietz,eEllen. aSafety Standards infection and control for Dental HygienestshTextual Documents a1st. a[s.l]:bDelmar Thamson Learning,c2002. a314:c23.5*19. aPeriodontology