Le Moine JG, Fiestas Navarrete L, Katumba K, Launois R. Psychometric validation of the 14 items chronic venous insufficiency quality of life questionnaire (CIVIQ-14): confirmatory factor analysis. Eur J Vasc Endovasc Surg. 2016 Feb;51(2):268-74. doi: 10.1016/j.ejvs.2015.08.020.
Brown TM, Horblyuk RV, Grotzinger KM, Matzdorff AC, Pashos CL. Patient-reported treatment burden of chronic immune thrombocytopenia therapies. BMC Blood Disord. 2012 Mar 1;12(1):2.
Mansfield CA. A consistent method for calibrating contingent value survey data. South Econ J. 1998;64(3):665-81.
Clarkson T, Anthony MS, Hughes C. Estrogenic soybean isoflavones and chronic disease: risks and benefits. Trends Endocrinol Metab. 1995 Jan;6(1):11-6.