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. Author manuscript; available in PMC: 2015 Mar 30.
Published in final edited form as: Aquat Toxicol. 2011 May 13;105(0):29–40. doi: 10.1016/j.aquatox.2011.05.006

Fig. 2.

Fig. 2

Study design schematic for MTBE Critical Period: Studies A and B. The arrows represent the length of treatment with 10 mM MTBE. The target time points correspond approximately to the following embryonic stages at 25 °C: 6-somites (15 hpf), 21-somites (24 hpf), prim-5 (30 hpf), and prim-25 (48 hpf). In Study C, not shown here, embryos were exposed to 10 mM MTBE from only 15 to 30 hpf (6-somites to prim-5).