Boyers D, van der Pol M, Watson V, Lamont T, Goulao B, Ramsay C, Duncan A, Macpherson L, Clarkson J. The value of preventative dental care: a discrete-choice experiment. J Dent Res. 2021 Jul;100(7):723-30. doi: 10.1177/0022034521989943
Hall RE, Tusevljak N, Wu CF, Ibrahim Q, Schulze K, Khan AM, Desai D, Awadalla P, Broet P, Dummer TJB, Hicks J, Tardif JC, Teo KK, Vena J, Lee D, Friedrich M, Anand SS, Tu JV. The Canadian alliance for healthy hearts and minds: how well does it reflect the Canadian population? CJC Open. 2020 Jul 22;2(6):599-609. doi: 10.1016/j.cjco.2020.07.013
Rothman KJ, Velez H, Glass RL, Mejia R, Espinal F. Dental caries and soil contents of trace metals in two Colombian villages. J Dent Res. 1972 Nov 1;51(6):1686.