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.
Harris JR, Patel MK, Juliao PS, Suchdev PS, Ruth LJ, Were V, Ochieng C, Faith SH, Kola S, Otieno R, Sadumah I, Obure A, Quick R. Addressing inequities in access to health products through the use of social marketing, community mobilization, and local entrepreneurs in rural Western Kenya. J Popul Res. 2012;2012:470598. doi: 10.1155/2012/470598
Njue AI, Prichard RK. Efficacy of ivermectin in calves against a resistant Cooperia oncophora field isolate. Parasitol Res. 2004 Aug 1;93(5):419-22.