Cite
MLA Citation
Hidefumi Nishida et al.. “Structural Valve Deterioration After Aortic Valve Replacement with Medtronic Freestyle Stentless Porcine Aortic Root Bioprostheses.” Journal of cardiac surgery, vol. 29, no. 1, n.d., pp. 22–25. http://access.bl.uk/ark:/81055/vdc_100024683989.0x00004a