No abstract available
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Animals
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Female
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Fertilization in Vitro
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Fertilization*
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Male
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Microscopy, Electron
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Oocytes / physiology
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Oocytes / ultrastructure
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Opossums / physiology*
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Sperm-Ovum Interactions*
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Spermatozoa / physiology*
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Spermatozoa / ultrastructure