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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Aquat Toxicol. 2014 May 2;154:19–26. doi: 10.1016/j.aquatox.2014.04.025

FIG. 2.

FIG. 2

Time course of precardiac edema formation induced by TCDD. Precardiac area was indicated as percentage of control in developing zebrafish exposed to graded concentration of TCDD (0.3 ppb, open triangles; 0.5 ppb, filled triangles; 1 ppb, open circles; 2 ppb, filled circles) and vehicle (0.1% DMSO, filled square), at various time points (50-72 hpf). Results are expressed as mean ± SEM (N = 15-23). Asterisk indicates statistical significance compared to control at each stage (*p < 0.05, ** p < 0.01).