Androgen-metabolizing enzymes show regio
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Soma, Kiran K. ;Bindra, Reba K. ;Gee, Jennifer ;Wingfield, John C. ;Schlinger, B
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Article
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1999
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John Wiley and Sons
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English
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The Lapland longspur (Calcarius lapponicus) is an arctic-breeding songbird that shows rapid behavioral changes during a short breeding season. Changes in plasma testosterone (T) in the spring are correlated with singing but not territorial aggression in males. Also, T treatment increases song but no