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Castellá, M., Riambau, V., Palacin, J. et al. True knot in a Swan-Ganz catheter on a central venous catheter: A simple trick for percutaneous removal. Intensive Care Med 22, 830–831 (1996). https://doi.org/10.1007/BF01709529
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DOI: https://doi.org/10.1007/BF01709529