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1.
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The role of embryonic ectoderm and mesoderm in pigment production in Amphibia Du Shane, Graham Phillips
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2.
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The growth of gonads derived form heteroplastic transplants of their preprimordia in Amblystoma Humphrey, Rufus Richard
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3.
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An incompatibility manifested in heteroplastic parabiosis or grafting in Amblystoma due to a toxin of cutaneous origin Humphrey, Rufus Richard - Burns, Robert Kyle
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