Franklin JM, Dejene S, Huybrechts KF, Wang SV, Kulldorff M, Rothman KJ. A bias in the evaluation of bias comparing randomized trials with nonexperimental studies. Epidemiol Methods. 2017 Apr;6(1):20160018.. doi: 10.1515/em-2016-0018.
Jimenez-Murcia S, Granero R, Larrea ST, Sauvaget A, Grall-Bronnec M, Alvarez-Moya EM, Aguera Z, Aymami N, Gomez-Pena M, Del Pino-Gutierrez A, Moragas L, Menchon JM, Fagundo AB, Sauchelli S, La Verde M, Aguglia E, Signorelli MS, Formoso JAF, Fernandez-Aranda F. Pathological gambling and substance use disorders: effects of early incidence and personality. Drugs Health Society. 2015 Jan;14(1):78. doi: 10.7202/1035550ar
Clarkson T, Anthony MS, Hughes C. Estrogenic soybean isoflavones and chronic disease: risks and benefits. Trends Endocrinol Metab. 1995 Jan;6(1):11-6.