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
Glass RL, Rothman KJ, Espinal F, Velez H, Smith NJ. Prevalence of human dental caries and water-borne trace metals. Arch Oral Biol. 1973 Sep;18(9):1099-104. doi: 10.1016/0003-9969(73)90083-6