Relationship between the Tortuosity of the Extracranial Internal Carotid and Vertebral Arteries on Magnetic Resonance Imaging/Angiography and Vascular Risk Factors in a Japanese Population

Katayama, Takayuki ✉; Takahashi, Kae; Yahara, Osamu; Matsuura, Issei; Fukuda, Yasuyuki; Kawasaki, Shin-ichi; Kuroda, Kenji; Kimura, Takashi; Sawada, Jun