TABLE 3

Comparison of Effective Dose Estimates Between ¹¹C-Nicotine and Other ¹¹C-Radiopharmaceuticals

Organ	¹¹C-nicotine^*	¹¹C-PIB (37)	¹¹C-PK11195 (35)
Urinary bladder wall	14.7	16.6	9.8
Kidneys	9.6	12.6	14.0
Spleen	9.5	4.3	12.5
Liver	8.9	19.0	9.5
Thyroid	7.1	2.4	1.9
Effective dose	5.4	4.7	4.8

↵* Current study.