Combined SPECT imaging of regional cerebral blood flow (99mTc-hexamethyl-propyleneamine oxime, HMPAO) and blood volume (99mTc-RBC) to assess regional cerebral perfusion reserve in patients with cerebrovascular disease - Buell, U; Braun, H; Ferbert, A; Stirner, H; Weiller, C; Ringelstein, EB (Nuklearmedizin, 1988)