Research Article
Color Doppler Sonography in Healthy Old Persons, Vertebral Arteries
Tabriz University of Medical Sciences, Tabriz, Iran
Masoud Nemati
Tabriz University of Medical Sciences, Tabriz, Iran
Moslem Shakeri
Department of Neurosurgery, Tabriz university of Medical Sciences, Tabriz, Iran
Mohamad Goldust
Student Research Committee, Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences