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
Gnanasakthy A, DeMuro-Mercon CJ. Logistical considerations for intergrating patient-reported outcomes in multiregional clinical trials. Clinical Researcher. 2015 Apr;45-8.
Sorensen HT, Steffensen FH, Sabroe S, Rothman KJ, Gillman MW, Fischer P. Historical cohort study of in utero exposure to uterotonic drugs and cognitive function in young adult life. West J Med. 1999 Jan 1;170(5):260-2.