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This paper is dedicated to the memory of Walther Wilbrandt.
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Heinz, E., Geck, P. & Pfeiffer, B. Energetic problems of the transport of amino acids in Ehrlich cells. J. Membrain Biol. 57, 91–94 (1980). https://doi.org/10.1007/BF01868995
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DOI: https://doi.org/10.1007/BF01868995