The Efficacy of Distal Protection Strategy Guided by IVUS to Prevent Plaque Embolization after Thrombus Aspiration Therapy - Kawano Shigeo; Ito Hiroshi; Iwakura Katsuomi; Okamura Atsunori; Katoh Akinobu; Inoue Yoshiaki; Kuroda Tadashi; Asano Katsuaki; Kimura Ryusuke; Ikushima Masashi; Tanaka Kouji; Nishida Yuya; et al. (Circulation journal : official journal of the Japanese Circulation Society, 2002)