Increased Pathogen Identification in Vascular Graft Infections by the Combined Use of Tissue Cultures and 16S rRNA Gene Polymerase Chain Reaction oleh Evelyne Ajdler-Schaeffler, Alexandra U. Scherrer, Peter M. Keller, Alexia Anagnostopoulos, Michael Hofmann, Zoran Rancic, Annelies S. Zinkernagel, Guido V. Bloemberg, Barbara K. Hasse, and the VASGRA Cohort, A. Anagnostopoulos, B. Hasse, M. Hofmann, L. Husmann, B. Ledergerber, M. Lachat, Z. Rancic, A. Scherrer, A. Weber, R. Weber, A. Zinkernagel