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CNE_22395_sm_suppinfofig1.tif616KSupp Figure 1. Corticosterone levels measured from media samples containing silastic corticosterone implants incubated sequentially for 3, 4, 14, and 7 days. The effects of using a 22 gauge needle to puncture 0, 1, 3 or 6 holes are also shown. Asterisk indicates significant difference from all other groups on that day.

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