References
- Holm , S. 2007 . Doping Under Medical Control - Conceptually Possible but Impossible in the World of Professional Sports? . Sport, Ethics and Philosophy , 1 ( 2 ) : 135 – 145 .
- Kass , L. 2002 . Life, liberty and the defense of human dignity New York Free Press
- Morgan , W. 2007 . Ethics in sport, Champaign; Ill: Human Kinetics , 2
- Sandel , M. 2008 . The case against perfection , Princeton : Princeton University Press .