1. 2002
2. 2001
3. Development of dialysis and transplant activity in the world during the seventies of the 20th century;Valek;Z Exp Chir Transplant Künstliche Organe,1984
4. Over 50 and uremic equals death;Berlyne;The failure of the British National Health Service to provide adequate dialysis facilities,1982
5. Revelations behind a fallen curtain: dialysis restriction and the Berlin wall;Friedman;Nephrol Dial Transplant,1994