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Testosterone Cycles and Reproductive Energetics: Implications for Northern Range Limits of the Cottonmouth (Agkistrodon piscivorus leucostoma)

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DOI: 10.1643/0045-8511(2003)003[0231:TCAREI]2.0.CO;2
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Apareiodon Eigenmann, 1916 (Teleostei, Characiformes), from the Tocantins-Araguaia Basin, with Description of Three New Species

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SHORTER CONTRIBUTIONS
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COMMENT

HISTORICAL PERSPECTIVES

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OBITUARIES
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