1. In practice many countries with opting-out systems still seek to obtain the authorisation of relatives for the use of organs for transplantation. See Haag BW, Stuart FP. The organ donor: brain death, selection criteria, supply;demand. In,185.
2. Incentives for organ donation? Lancet 1991; 338: 1441 who report that organ donation in Belgium has increased by 119% in the three years since opting-out legislation was introduced;DS, See Kittur; MM, Hogan; VK, Thukral; LJ, McGaw; JW, Alexander
3. Organ transplantation;West, R.,1991
4. Join the club: a modest proposal to increase availability of donor organs;Jarvis, R.;Journal ofMedical Ethics,1995
5. On giving preference to prior volunteers when allocating organs for transplant;Gillon, R.,1995