Reid, J S <br/><br/>
Biochemical studies on the composition of gingival debris from children with black extrinsic tooth stain.  [electronic resource] 

 -  Caries research  1976 
 - 363-9 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0008-6568 
<br/><br/><label>Standard No.: </label>10.1159/000260217  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Calcium--analysis<br/>Dental Calculus--analysis<br/>Dental Deposits--analysis<br/>Gingiva<br/>Humans<br/>Phosphates--analysis<br/>Tooth Discoloration--metabolism