Kotterba, S., Walther, M., Stollfuß, B., Braune, S., Bussfeld, P., Glaser, T. and Schürks, M. (2014) “BETASLEEP, Sleep Quality, Fatigue and Functional Health Status among Betaferon® treated MS patients – Design of an observational study”, Medicina Internacia Revuo, (103), pp. 75-81. Available at: https://interrev.com/mir/index.php/mir/article/view/53 (Accessed: 25April2024).