1. Ad Hoc Committee of the Harvard Medical School to Examine the Definition of Brain Death. A definition of irreversible coma. JAMA 205:337-340, 1968

2. Guidelines for the determination of death: report of the Medical Consultants on the Diagnosis of Death to the President's Commission for the Study of Ethical Problems in Medicine and Biomedical and Behavioral Research. JAMA 246:2184-2186, 1981

3. Wijdicks EFM: Determining brain death in adults. Neurology 45:1003-1011, 1995