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
Christensen T, Riis AH, Hatch EE, Wise LA, Nielsen MG, Rothman KJ, Toft Sorensen H, Mikkelsen EM. Costs and efficiency of online and offline recruitment methods: a web-based cohort study. J Med Internet Res. 2017 Mar 1;19(3):e58. doi: 10.2196/jmir.6716
Palka P, Fleming AD, Lange A, Fenn LN, Sutherland GR, McDicken WN. Doppler myocardial imaging: mean myocardial velocity and velocity gradient in normal subjects. Poster presented at the British Cardiac Society Annual Meeting; May 23, 1995. Yorkshire, United Kingdom. [abstract] Brit Heart J. 1996 Nov 1; 73(5 suppl 3):85.
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.