1. Republic of the Philippines: Organ Donation Act of 1991, Republic Act 7170; Constitution
2. Jessica Soho Reports: “Kidneys for Sale” A Documentary. GMA 7, 1999
3. Department of Health, Philippines: National Policy on Kidney Transplantation from Living Non-Related Donors, Administrative Order 124, Series of 2002
4. Department of Health: Ten Leading Cause of Death, Annual Health Statistics, 2003