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Anti-CCA activity of β-eudesmol and 5-FU in comparison with untreated control in CCA-xenografted nude mice; (a) development of tumor mass tumor, (b) tumor growth curves, (c) histopathology of lung metastasis, and (d) representative PET-CT images of CCA (modified from Plengsuriyakarn et al., 2015 [27]).
