4NEMA.NEMA standards publication:performance measure ments of positron emission tomography[S].NEMA standards publication NU 2-1994.NU 2-1999 and NU 2-2001.
5Wong T Z,Paulson E K,Nelson R C,et al. Practical approach to diagnostic CT combined with PET [J]. AIR Am J Roentgenol, 2007,188 (3) : 622-629.
6Wintermark M, Nancy J, Wade S, et al. Accuracy of dynamic perfusion CT with deconvolution indetecting acute hemispheric stroke [J]. AJNR, 2005,26( 1 ) : 104-112.
7Otte A,Halsband U. Brain imaging tools in neumsciences [J]. Physiol Paris, 2006,99 (4-6) : 281-292.
