Hifinger M, Hiligsmann M, Ramiro S, Watson V, Berghea F, Pentek M, Keat A, Severens JL, Fautrel B, Boonen A. Influence of disease activity on RA treatment choices in countries with restricted access to expensive, innovative drugs: a discrete choice experiment among rheumatologists. RMD open. 2017 Sep 4;3(2):E000453. doi: 10.1136/rmdopen-2017-000453
Fleming AD, Philip S, Goatman KA, Sharp PF, Olson JA. Automated clarity assessment of retinal images using regionally based structural and statistical measures. Med Eng Phys. 2012 Sep 1;34(7):849-59. doi: 10.1016/j.medengphy.2011.09.027
Rothman KJ, Glass RL, Espinal F, Velez H. Caries-free teeth in the absence of fluoride ion. J Public Health Dent. 1972;32(4):225-8. doi: 10.1111/j.1752-7325.1972.tb03977.x