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
Galinksy J, Richard S, Morris M. Myeloma patients' self-reported experiences of care and treatment. Cancer Nurs Pract. 2016 Sep 14;15(7):22-6. doi: 10.7748/cnp.2016.e1341