No abstract available
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Aging / physiology*
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Animals
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Humans
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Leydig Cells / physiology
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Male
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Sertoli Cells / physiology
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Sperm Maturation
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Spermatogenesis*
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Testis / cytology
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Testis / ultrastructure