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Figure 1.
Time-line for develoment of singing behavior and sexual differentiation of the song control nuclei in zebra finches. *Projection apparent at this age in males. Information synthesized from [9,40,47,65,2,3].
Tomaszycki et al. BMC Neuroscience 2009 10:24 doi:10.1186/1471-2202-10-24
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