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1 Intermittent, Non Cyclic Severe Mechanical Aortic Valve Regurgitation
Jong Hyun Choi, Jung Hyun Choi, Seunghwan Song, Myung-Yong Lee
J Cardiovasc Ultrasound.2013;21(4):189-191.   Published online 2013 December 27     DOI: http://dx.doi.org/10.4250/jcu.2013.21.4.189
      

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