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Correlation between the noncompartmental parameter Δfrel and regional density of serotonin transporter (SERT) (A) and compartmental parameter lnΔDV (B) and regional density of SERT. Each point for each of the 12 brain regions represents an average obtained from eight subjects. The Δ symbol signifies the difference between [11C](+)McN5652 and [11C](−)McN5652 (correction for nonspecific binding).
