Giergiczny M, Dekker T, Hess S, Chintakayala P. Testing the stability of utility parameters in repeated best, repeated best-worst and one-off best-worst studies. Eur J Trans Infra. 2017 Sep 1;17(4):457-76. doi: 10.18757/ejtir.2017.17.4.3209
Glück S, Russell C, O'Shaughnessy J, McKenna EF, Hu S, Odom D, Blum JL. Treatment effect of capecitabine and docetaxel or docetaxel alone by oestrogen receptor status in patients with metastatic breast cancer: results of an exploratory analysis. Breast. 2013 Dec;22(6):1087-93. doi: 10.1016/j.breast.2013.08.016.