Order Reprints
Journal: Int. J. Environ. Res. Public Health, 2012
Volume: 9
Page(s): 2839-2850
Article:
Effects of Smoking and Genotype on the PSR Index of Periodontal Disease in Adults Aged 18–49
Polk, D.E.; Wang, X.; Feingold, E.; Shaffer, J.R.; Weeks, D.E.; Weyant, R.J.; Crout, R.J.; McNeil, D.W.; Marazita, M.L.
http://www.mdpi.com/1660-4601/9/8/2839
