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1 Cardiac Surgery at Yonsei University Medical Center: A 30-year review
Pill Whoon Hong, Sung Nok Hong, Bum Koo Cho, Hung Kun Oh
Yonsei Med J.1988;29(4):301-315.   Published online 2002 February 20     DOI: http://dx.doi.org/10.3349/ymj.1988.29.4.301
      

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