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.
Davis AE, Mehrotra S, Friedewald J, Ladner D. Characteristics of a simulation model of the national kidney transplantation system. Poster presented at the 2013 Winter Simulation Conference: Simulation: Making Decisions in a Complex World; December 2013. [abstract] Ieee/Acm Trans Comput Biol Bioinform. 2013 Dec; p.2320-9.
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