SPECT imaging of dopamine and serotonin transporters with [123-I]β-CIT: Pharmacological characterization of brain uptake in non-human primates - Laruelle,M.; Baldwin,R.M.; Malison,R.T.; Zea-Ponce,Y.; Zoghbi,S.S.; Al-Tikriti,M.S. (Synapse, 1993)