Transcription levels of ugt1ab determined by real-time PCR in zebrafish larvae after exposure to four PFASs until 5 dpf (A) and whole mount in situ hybridization (B). Values are means ± SEM (n = 6, each sample included 30 larvae). *Indicates significantly different between control and treatment group at p < 0.05 by ANOVA and Duncan’s multiple range tests.

Acknowledgments
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