Eriksson O., Långström B., and Josephsson R. “Assessment of Receptor Occupancy-over-Time of Two Dopamine Transporter Inhibitors by [11C]CIT and Target Controlled Infusion”. Upsala Journal of Medical Sciences, vol. 116, no. 2, Mar. 2011, pp. 100–106, doi:10.3109/03009734.2011.563878.