Gilbert, A D <br/><br/>
A review of the role of Epidemiology and the use of indices in periodontal research.  [electronic resource] 

 -  Primary dental care : journal of the Faculty of General Dental Practitioners (UK)  Sep 1994 
 - 14-9 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Review 
<br/><br/><label>ISSN: </label>1355-7610 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Case-Control Studies<br/>Cohort Studies<br/>Cross-Sectional Studies<br/>Dental Plaque Index<br/>Dental Research--methods<br/>Epidemiologic Methods<br/>Humans<br/>Observer Variation<br/>Outcome Assessment, Health Care<br/>Periodontal Diseases--epidemiology<br/>Periodontal Index<br/>Periodontal Pocket--diagnosis<br/>Research Design