New American Dental Association specification no. 27 for direct filling resins. Council on Dental Materials and Devices 

 -  The Journal of the American Dental Association, 94(6), p.1191-1194, 1977 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>DENTAL SURGERY<br/>MEDICAL SOCIETY<br/>STANDARD<br/>UNITED STATES