Cueto HT, Riis AH, Hatch EE, Wise LA, Rothman KJ, Sørensen HT, Mikkelsen EM. Folic acid supplementation and fecundability: a Danish prospective cohort study. Eur J Clin Nutr. 2016 Jan;70(1):66-71. doi: 10.1038/ejcn.2015.94
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.