Vidović, M., Sinanović, O., Smajlović, D., Burina, A., & Hudić, J. (2008). Doppler Sonography Characteristics of Vertebrobasilar Circulation In Patients With Parkinson’s Disease. Bosnian Journal of Basic Medical Sciences, 8(3), 251-253. https://doi.org/10.17305/bjbms.2008.2927