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Bielefeld: Lebensbaum-Verl., 1997
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Wiley, 2002
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Wiley, 2002
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Ovid Technologies (Wolters Kluwer Health), 2002
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Elsevier BV, 2000
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Elsevier BV, 2000
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Elsevier BV, 1978
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Proceedings of the National Academy of Sciences, 1973
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National Academy of Sciences of the United States of America, 1973
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Wiley, 1968
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Elsevier BV, 1981
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Elsevier BV, 1972
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Elsevier BV, 1973
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Elsevier BV, 1978