Law & Medicine

The evolving role of expert testimony


Dr. Tan is emeritus professor of medicine and former adjunct professor of law at the University of Hawaii, Honolulu. This article is meant to be educational and does not constitute medical, ethical, or legal advice. For additional information, readers may contact the author at


1. Internal Medicine News, “Expert medical testimony,” Sept. 9, 2010; “Qualifying as an expert,” Jan. 2, 2015; “Dispensing with expert testimony,” April 19, 2016.

2. Armacost v. Davis, 175 A.3d 150 (Ct. App. Md, 2017).

3. Shallow v. Follwell, (No. ED103811, Mo. App., Eastern Dist., Div. 4, 2017).

4. Henry TA, “Is it OK to have 4-to-1 expert ratio in medical liability case?” AMA Wire, June 22, 2018.

5. Mitchell v. Shikora, 161 A.3d 970 (Pa. Super. 2017).

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