J.R. Shaffer, X. Wang, E. Feingold, M. Lee, F. Begum, D.E. Weeks, K.T. Cuenco, M.M. Barmada, S.K. Wendell, D.R. Crosslin, C.C. Laurie, K.F. Doheny, E.W. Pugh, Q. Zhang, B. Feenstra, F. Geller, H.A. Boyd, H. Zhang, M. Melbye, J.C. Murray, R.J. Weyant, R. Crout, D.W. McNeil, S.M. Levy, R.L. Slayton, M.C. Willing, B. Broffitt, A.R. Vieira, M.L. Marazita
J Dent Res. 2011 Dec; 90(12): 1457–1462. doi: 10.1177/0022034511422910