DOCKING, A R <br/><br/>
The efficacy of dental and surgical face masks.  [electronic resource] 

 -  Australian dental journal  Mar 1948 
 - 93-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0045-0421 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Masks