Testosterone serum levels in males reach their annual zenith during the summer, when environmental temperatures are higher and daylight duration is longest.

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• Person: Not available Organization: Frontiers
  Seasonal Changes of Serum Gonadotropins and Testosterone in ...

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• Seasonal Changes of Serum Gonadotropins and Testosterone in ... www.frontiersin.org Frontiers via serper

Referenced by nodes (1)

• testosterone concept