Papapanou P N
Division of Periodontics, Section of Oral and Diagnostic Sciences, Columbia University College of Dental Medicine, 630 West 168th St., PH-7 E 110, New York, NY 10032, USA.
J Dent Res. 2012 Oct;91(10):907-8. doi: 10.1177/0022034512458692. Epub 2012 Aug 30.