Comparison between a T-tube and a spiralflow-tube to improve the visualization ability of the subclavian artery in CT angiography from the neck to the aortic arch. - Nakagawa, Junichi; Nishiyama, Norimi; Hoshino, Takashi; Watanabe, Shota; Yamaguchi, Isao; Masuda, Takanori (Radiological Physics & Technology, 2026)