Figure 5

Tissue distribution of [¹⁸F]fluoro-PEG-folate. Tissue distribution of [¹⁸F]fluoro-PEG-folate in arthritic rats without (black bars) and with (gray bars) pre-treatment with a ≥100-fold molar excess of glucosamine-folate. Results are presented as mean ± SD of four untreated and four pre-treated rats.