J Clin Periodontol 2004; 31: 562–568 doi: 10.1111/j.1600-051X.2004.00522.x Printed in Denmark. All rights reserved Plasma antibody levels in periodontitis patients and controls Graswinckel JEM, van
J Clin Periodontol 2008; 35: 568–575 doi: 10.1111/j.1600-051X.2008.01241.x Formation of osteoclast-like cells from peripheral blood of periodontitis patients occurs without supplementation of