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.
McAteer A, Yi D, Watson V, Norwood P, Ryan M, Hannaford PC, Elliott AM. Exploring preferences for symptom management in primary care: a discrete choice experiment using a questionnaire survey. Br J Gen Pract. 2015 Jul;65(636):e478-88. doi: 10.3399/bjgp15X685705
Whalley D, Gravelle H, Sibbald B. Effect of the new contract on GPs' working lives and perceptions of quality of care: a longitudinal survey. Br J Gen Pract. 2008 Jan 1;58(546):8-14.
Whalley D, Bojke C, Gravelle H, Sibbald GP. GP job satisfaction in view of contract reform: a national survey. Br J Gen Pract. 2006 Feb 1;56(523):87-92.
Ryan M, Watson V. Editorial - Counting the cost of fast access: using discrete choice experiments to elicit preferences in general practice. Br J Gen Pract. 2006 Jan;56(522):4-5.