Titlebook: Instrumente des Umweltrechts der früheren DDR; Michael Kloepfer (Direktor) Conference proceedings 1991 Springer-Verlag Berlin Heidelberg 1

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Willy Jürkof the similarities in the weather, but the presence of species from the North, enriches the diversity of the region. The exchange of species still continues in the present time, but in Costa Rica and Panama there are barriers that prevent the passing of some species, due to the unique characteristi

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Günther Rohder cancer preventive properties have been identified and are currently in use, including taxol (Khayat .., 2000). The development of compounds with cancer preventive properties derived from plants requires a method to determine the efficacy of such compounds in a mammalian system. To make such an ass

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