Figure 5.
(A) PET imaging of SK-BR-3 xenografts 60 min after injection of 18F-FEL (a) and 18F-FDG (b) (n = 3). (B) The uptake ratio of: tumor-to-organ were calculated. Note: * = P < 0.05, ** = P < 0.01. (Tumors are marked by red arrows).
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