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Moore, T.W., Jaron, D. & Szydlowski, G.W. Microprocessor-based controller for in-series cardiac assistance. Med. Biol. Eng. Comput. 20, 523–526 (1982). https://doi.org/10.1007/BF02442417
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DOI: https://doi.org/10.1007/BF02442417