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.
McGinley (Miller) EL, Gabbay RA. The impact of new payment methods on quality of diabetes care and outcomes. Current Diabetes Rep. 2016 Apr 18;16(51). doi: 10.1007/s11892-016-0743-5
Martin AV, Coffield K. Hemophilia: information for educators and communication disorders specialists. Poster presented at the American Speech-Language-Hearing Association; April 1997. [abstract] Perspect Lang Learn Educ. 1997 Apr; 4:13-5.