RT Journal Article SR Electronic T1 Significance of Increased Oxygen Extraction Fraction in Five-Year Prognosis of Major Cerebral Arterial Occlusive Diseases JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1992 OP 1998 VO 40 IS 12 A1 Yamauchi, Hiroshi A1 Fukuyama, Hidenao A1 Nagahama, Yasuhiro A1 Nabatame, Hidehiko A1 Ueno, Makoto A1 Nishizawa, Sadahiko A1 Konishi, Junji A1 Shio, Hideo YR 1999 UL http://jnm.snmjournals.org/content/40/12/1992.abstract AB