Anerud, A <br/><br/>
The natural history of periodontal disease in man. Changes in gingival health and oral hygiene before 40 years of age.  [electronic resource] 

 -  Journal of periodontal research  Nov 1979 
 - 526-40 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0022-3484 
<br/><br/><label>Standard No.: </label>10.1111/j.1600-0765.1979.tb00255.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Age Factors<br/>Dental Plaque--epidemiology<br/>Female<br/>Gingivitis--epidemiology<br/>Humans<br/>Male<br/>Norway<br/>Oral Health<br/>Oral Hygiene<br/>Periodontal Diseases--epidemiology<br/>Periodontal Index<br/>Sri Lanka