BARRETT, M J <br/><br/>
Pyorrhoea based on an understanding of its aetiology.  [electronic resource] 

 -  The Australian journal of dentistry  Jan 1947 
 - 15-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Periodontal Diseases<br/>Periodontitis