No abstract available
Publication types
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Research Support, Non-U.S. Gov't
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Review
MeSH terms
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Adolescent
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Adult
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Child
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Child, Preschool
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Hormones / metabolism
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Humans
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Infant
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Leydig Cells / ultrastructure
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Male
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Microscopy, Electron
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Sertoli Cells / ultrastructure
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Spermatozoa / ultrastructure
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Testis / embryology
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Testis / growth & development*
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Testis / metabolism
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Testis / ultrastructure