Oxenham, H., Bloomfield, P., Wheatley, D. J., Lee, R. J., Cunningham, J., Prescott, R. J., & Miller, H. C. (2003). Twenty year comparison of a Bjork-Shiley mechanical heart valve with porcine bioprostheses. Copyright 2003 by Heart.

Oxenham, H., P. Bloomfield, D J. Wheatley, R J. Lee, J. Cunningham, R J. Prescott, und H C. Miller. Twenty Year Comparison of a Bjork-Shiley Mechanical Heart Valve With Porcine Bioprostheses. Copyright 2003 by Heart, 2003.

Oxenham, H., et al. Twenty Year Comparison of a Bjork-Shiley Mechanical Heart Valve With Porcine Bioprostheses. Copyright 2003 by Heart, 2003.