1. A functioning Björk–Shiley aortic valve after 36 years without anticoagulation. Issue 2 (9th February 2023) Authors: Helms, Florian; Rosebrock, Frauke; Haverich, Axel; Rustum, Saad Journal: Interdisciplinary cardiovascular and thoracic surgery Issue: Volume 36:Issue 2(2023) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗