Jay Chapman is the American physician and forensic pathologist who, in 1977, created the current three drug protocol used for lethal injection, the most commonly used form of capital punishment in the United States.  Chapman was Chief Medical Examiner for the State of Oklahoma when he developed the method.
- Boyer Sagert, Kelly (2007). The 1970s. Westport, Conn.: Greenwood Press. pp. 37–38. ISBN 0-313-33919-8.
- Grady, Denise (2006-06-23). "Doctors See Way to Cut Suffering in Executions". The New York Times. Retrieved 2009-12-11.
- Jacquette, Dale. Dialogues on the Ethics of Capital Punishment (New Dialogues in Philosophy). Rowman Littlefield Publishers, Inc. pp. 98–99. ISBN 0-7425-6143-7.
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