Microguidewire stiffness for microcatheter and aspiration catheter navigation in tortuous vessels. - Sakuta, Kenichi; Hanaoka, Yoshiki; Ghovvati, Mahsa; Molaie, Amir; Imahori, Taichiro; Fukuda, Keiko A; Tateshima, Satoshi; Kaneko, Naoki (Interventional Neuroradiology, 2025)