Parkinson’s disease expert who has examined Biden is also one of his donors - New York Post
- Parkinson’s disease expert who has examined Biden is also one of his donors New York Post
- Parkinson’s Expert Visited the White House Eight Times in Eight Months The New York Times
- Analysis | The Biden-Parkinson’s mini-controversy, explained The Washington Post
- White House doctor offers explanation for Parkinson's expert's visits ABC News