%T Correlation of regional cerebral blood flow and glucose metabolism during rest and audiovisual stimulation in young and older subjects assessed by positron emission tomography %P 297 %D 1999 %C Alghero, Italy %B Atti del 44? congresso SIB %A Pietro Pietrini %A Emiliano Ricciardi %A Gene E. Alexander %A Maura L. Furey %A G. Giovacchini %A Mario Guazzelli %A Giovanni Ronca %L eprints3438