David Mcpherson Ph D
![David Mcpherson Ph D](https://brightspotcdn.byu.edu/dims4/default/6db0ad9/2147483647/strip/true/crop/199x199+0+16/resize/1200x1200!/quality/90/?url=https:%2F%2Fbrigham-young-brightspot.s3.amazonaws.com%2F59%2F96%2F85933a934372a4fb9da692553425%2Fmcpherson-david.jpg)
David Mcpherson Ph D
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