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FIGURE 4. (Top) Within-subject 123I-5-IA activity (VT) in thalamus, cortex (average of cortical regions), and cerebellum in 9 nonsmoking women in early follicular and mid-luteal phases of menstrual cycle. (Bottom) Radiotracer metabolism and protein binding in same women in early follicular (
) and mid-luteal (•) phases of menstrual cycle. No significant differences in VT, total parent, f1, or free parent were found between early follicular and mid-luteal phases of menstrual cycle.
