Effects of Chlorpyrifos and Endosulfan on Different Life Stages of the Freshwater Burrowing Crab Zilchiopsis collastinensis P.: Protective Role of Chorion von Negro, C. L., Senkman, L. E., Marino, F., Lorenzatti, E., Collins, P.

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Cost of reproduction. Changes in metabolism and endosulfan lethality caused by reproductive behavior in Hyalella curvispina (Crustacea: Amphipoda) von Negro, C.L., Castiglioni, M., Senkman, L.E., Loteste, A., Collins, P.

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Metabolic Responses of Pleustonic and Burrowing Freshwater Crabs Exposed to Endosulfan von Negro, CL, Senkman, LE, Collins, P

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Fecundity and oxygen consumption of the freshwater crab Trichodactylus borellianus (Decapoda: Trichodactylidae) in the alluvial valley of Middle Parana (Argentina) von Senkman, E, Williner, V, Negro, L, Konig, N, Collins, P

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El antisemitismo en la Argentine von Senkman, L, Munck, R

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