Dai et al. (31) studied 243 men in the United States (age range 35–73 years) as part of the Multiple Risk Factor Intervention Trial and detected no seasonality for testosterone.

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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 (2)

• testosterone concept
• U.S. location