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Environmental Sciences Europe
Figure 5 | Environmental Sciences Europe

Figure 5

From: Embryotoxic and proteotoxic effects of water and sediment from the Neckar River (Southern Germany) to zebrafish (Danio rerio) embryos

Figure 5

Heart rate of zebrafish embryos at 48 hpf during the fish embryo test. Embryos were exposed to Neckar River samples from May 2011 (A), September 2011 (B), May 2012 (C) and September 2012 (D). Vertical bars show standard deviations. Asterisks indicate significant differences (*p < 0.05, α = 0.05) between river sample treatment and negative control assessed by Tukey-Kramer test. Results of two independent replicates are shown.

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