标题：保留瓣膜的主动脉根部替换——根部成形法的作用
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Hans-Joachim
Affiliation：Saarland University Medical Center Department：
Head, Division Clinical Oncology Research ，University Clinic, Martin Luther University, Halle (Saale) Director emeritus: Department of Oncology & Hematology ，University Clinic, Martin Luther University, Halle (Saale)
