Lee SY， Kim KK， Choe SJ. Binding of oral streptococci to human fibrinogen. Oral Microbiol Immunol 2001 Apr;16(2):88-93 Lim HY， Kim KK， Zhou FC， Yoon JW， Hill JM， Kwon BS. 4-1BB-like molecule is expressed in islet-infiltrating mononuclear cells and in the gray matter of the brain. Cell Biol Int. 2002;26(3):271-8. Woo KM， Choi Y， Ko SH， Ko JS， Oh KO， Kim KK. Osteoprotegerin is present on the membrane of osteoclasts isolated from mouse long bones. Exp Mol Med 2002 Nov 30;34(5):347-52 Kook JK， Kim MK， Seong JH， Kim DK， Kim BO， Park JC， Kim KK， Choe SJ， Min BM. A new method for rapid screening of bacterial species- or subspecies-specific DNA probes. FEMS Microbiol Lett 2003 Feb 14;219(1):121-127 Kim SS， Kim S， Kim E， Hyun B， Kim KK， Lee BJ. Synergistic inhibitory effect of cationic peptides and antimicrobial agents on the growth of oral streptococci. Caries Res. 2003 Nov-Dec;37(6):425-30. Ahn SJ， Kho HS， Kim KK， Nahm DS. Adhesion of oral streptococci to experimental bracket pellicles from glandular saliva. Am J Orthod Dentofacial Orthop. 2003 Aug;124(2):198-205. Kim J， Choi SP， La S， Seo JS， Kim KK， Nam SH， Kwon B. Constitutive expression of 4-1BB on T cells enhances CD4+ T cell responses. Exp Mol Med. 2003 Dec 31;35(6):509-17. Park O.J.， Min， K.M.， Choe， S.J.， Choi， B.K.， Kim， K.K. Use of Insertion Sequence Element IS1126 in a Genotyping and Transmission Study of Porphyromonas gingivalis. J Clin Microbiol Feb. 2004， p. 535–541 Vol. 42， No. 2 Lee SH， Kim KK， Choi BK. Upregulation of intercellular adhesion molecule 1 and proinflammatory cytokines by the major surface proteins of Treponema maltophilum and Treponema lecithinolyticum， the phylogenetic group IV oral spirochetes associated with periodontitis and endodontic infections. Infect Immun. 2005 Jan;73(1):268-76.