Observational Study Assessing Demographic, Economic and Clinical Factors Associated with Access and Utilization of Health Care Services of Patients with Multiple Sclerosis under Treatment with Interferon Beta-1b (EXTAVIA).
Hadjigeorgiou G, Dardiotis E, Tsivgoulis G, Doskas T, Petrou D, Makris N, Vlaikidis N, Thomaidis T, Kyritsis A, Fakas N, et al.
PLoS One. 2014; 9(11):e113933. Epub 2014 Nov 24. PMID: 25419842.Abstract