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1.
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The egg capsules in the Amphibia Salthe, Stanley N
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2.
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The differentiation of crystalline lens Woerdemann, MW
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3.
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On a Japanese salamander, in Lake Kuttarush, which propagates like the axolotl Sasaki, Madoka
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4.
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Epidemiologic and ultrasonographic study of echinococcosis in a community in the state of Mexico Mata-Miranda, Pilar - Osnaya-Palma, Israel - Rodriguez-Prado, Ulises - Guteirrez-Marin, America - Tawil, Marcos - Hernandez-González, Sandy - Solano-Ceh, Miguel - Villalvaso, Luis - Martinez-Maya, Jose Juan - Maravilla, Pablo - García-de-la-Torre, Guadalupe - Flisser, Ana
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5.
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Studies on ser differentiation and sex determination in amphibians. IX. Quantitative relationships in the induction of sex differentiation, and the problem of sex reversal in parabiotic salamanders Witschi, Emil
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