Titlebook: Biology of Amphibian Tumors; Merle Mizell Book 1969 Springer-Verlag New York Inc. 1969 biology.cancer.cancer research.carcinogenesis.carci

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Ethik der PR: Ethik oder PR für PRarate births. On the other hand, grafts exchanged between one-egg twins should behave as autografts and survive indefinitely. It came therefore as a curious surprise when these investigators found that dizygotic cattle twins freely accept skin grafts from each other, even when the twin pairs are of unlike sex.

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Kommunikation und Verständigung primary cell cultures leads to a stimulation of DNA synthesis and cell proliferation (4, 5). This then provides a model in which to study alterations taking place when a non-dividing cell population is stimulated to enter into DNA synthesis.

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Amino Acid and Nucleoside Incorporation in Frog Kidney Cells: An Autoradiographic Study primary cell cultures leads to a stimulation of DNA synthesis and cell proliferation (4, 5). This then provides a model in which to study alterations taking place when a non-dividing cell population is stimulated to enter into DNA synthesis.

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The Amphibian as a Key Step in the Evolution of Lymphoid Tissue and Diverse Immunoglobulin Classes execute the graft-versus-host reactions. This division of immunological functions on the basis of influence of two separate central lymphoid organs is reflected in specialization of structure in the peripheral lymphoid organs; e.g., spleen, lymph nodes, skin, and intestinal lymphoid aggregates. Chi

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Book 1969t important field. Some notion of the impact of this symposium is suggested by the broad range of the 200 participants it attracted. They came not only from the breadth and length of the U.S., but from abroad, from France, England, Austria, and Italy.

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