Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Raoul Arnold and Julia Ley-Zaporozhan and Sebastian Ley and Tsvetomir Loukanov and Christian Sebening and Johann-Baptist Kleber and Björn Goebel and Siegfried Hagl and Matthias Karck and Matthias Gorenflo,Outcome After Mechanical Aortic Valve Replacement in Children and Young Adults,The Annals of Thoracic Surgery,0003-4975,Elsevier BV,2008-02,85,2,604-610,https://cir.nii.ac.jp/crid/1361418518523451264,https://doi.org/10.1016/j.athoracsur.2007.10.035