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   Jiajia Dong et al, 2015, J Nippon Med Sch CrossRef
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   Bub-Se Na et al, 2016, Korean J Thorac Cardiovasc Surg CrossRef
3. null
   Yutaka Kanamori, 2020 CrossRef
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   Quan Chen et al, 2021, J Cardiothorac Surg CrossRef