No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Amphibians / anatomy & histology
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Animals
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Birds / anatomy & histology
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Fishes / anatomy & histology
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Islets of Langerhans / cytology*
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Islets of Langerhans / embryology
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Phylogeny*
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Reptiles / anatomy & histology