Wood D, Kosa K, Brown D, Ehrlich OG, Higgins PDR, Heller C. Preferences of adult patients with inflammatory bowel disease for attributes of clinical trials: evidence from a choice-based conjoint analysis. Crohns Colitis 360. 2020 Jan;2(1). doi: 10.1093/crocol/otz048
Christensen T, Riis AH, Hatch EE, Wise LA, Nielsen MG, Rothman KJ, Toft Sorensen H, Mikkelsen EM. Costs and efficiency of online and offline recruitment methods: a web-based cohort study. J Med Internet Res. 2017 Mar 1;19(3):e58. doi: 10.2196/jmir.6716
Scott Graham R, Samsell BJ, Proffer A, Moore MA, Vega RA, Stary JM, Mathern B. Evaluation of glycerol-preserved bone allografts in cervical spine fusion: a prospective, randomized controlled trial. J Neurosurg Spine. 2015 Jan;22(1):1-10. doi: 10.3171/2014.9.SPINE131005