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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 3.

FIGURE 3

Percentage occupancy of β2*-nAChRs by 123I-5-IA (average and SEM) across all subjects after smokers had smoked to satiety. Receptor occupancy by nicotine remained relatively stable 2–5 h after smoking challenge.