Intraoperative detection of malignant gliomas using 5-Aminolevulinic acid-induced protoporphyrin fluorescence, openMRI and real-time navigation system. - Takashi Maruyama; Yoshihiro Muragaki; Hiroshi Iseki; Osami Kubo; Makoto Mochizuki; Shinichirou Seo; Ichiro Sakuma; Tomokatsu Hori; Kintomo Takakura (CARS, 2001)