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. Author manuscript; available in PMC: 2013 Jul 10.
Published in final edited form as: J Nucl Med. 2010 Jul 21;51(8):1226–1233. doi: 10.2967/jnumed.109.072447

FIGURE 1.

FIGURE 1

β2*-nAChR occupancy plot based on Lassen method for representative subject's scan. Receptor occupancy by nicotine is determined from slope of linear regression (r), 74.4% in this case. VND/fp is calculated as y-intercept divided by slope. For this scan, VND/fp = 16.5 mL·cm−23.