Seasonal phenotypic flexibility of flight muscle size in small birds: a comparison of ultrasonography and tissue mass measurements.

Autor: Swanson, David1 david.swanson@usd.edu, Merkord, Chris1
Zdroj: Journal of Ornithology. Jan2013, Vol. 154 Issue 1, p119-127. 9p. 1 Color Photograph, 2 Charts, 2 Graphs.
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