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Volume 53, Issue 4 (1981)

Frontmatter

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Front Matter
Human Biology Editors

Table of Contents

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Table of Contents
Human Biology Editors

Articles

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Age Differences in Serum Androgen Levels in Normal Adult Males
Frances E. Purifoy, Lambert H. Koopmans, and Darrel M. Mayes

Brief Communication

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Human Biology Council
Human Biology Editors

Book Review

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Book Reviews
Human Biology Editors

Instructions for Contributors

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Instructions for Contributors
Human Biology Editors

Index

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Index to Volume 53
Human Biology Editors