Williams, R C <br/><br/>
Understanding the pathogenesis of periodontitis: a century of discovery.  [electronic resource] 

 -  Journal of the International Academy of Periodontology  Jul 2000 
 - 59-63 p.  digital 
<br/><br/> Publication Type: Historical Article; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>1466-2094 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Disease Susceptibility<br/>History, 20th Century<br/>Humans<br/>Periodontics--history<br/>Periodontitis--etiology<br/>Risk Factors