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The authors Massimo Valentino and Pietro Pavlica have no conflict of interest.
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Valentino, M., Pavlica, P. Medical ethics. J Ultrasound 19, 73–76 (2016). https://doi.org/10.1007/s40477-015-0189-7
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DOI: https://doi.org/10.1007/s40477-015-0189-7