title: Autologous is the best.
authors.affiliation: Department of Cardiac and Thoracic Vascular Surgery, University of Luebeck, Luebeck, Germany hans-hinrich.sievers@uksh.de.
authors.forename: Hans-H
authors.initials: HH
authors.lastname: Sievers
mesh_terms: D001021:Aortic Valve / Q000601:surgery*; D005260:Female; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008297:Male
keywords: Aortic valve replacement; Autograft procedure; Guidelines; Ross operation