1. Development of guiding principles for human organ transplants: WHA40.13,1987
2. Preventing the purchase and sale of human organs: WHA42.5,1989
3. Human organ transplantation (adopting the WHO Guiding Principles on Organ Transplantation): WHA44.25,1991
4. The state of the international organ trade: a provisional picture based on integration of available information;Shimazono;Bull World Health Organ,2007
5. A socioeconomic survey of kidney vendors in Pakistan;Naqvi;Transpl Int,2007