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| web | Emily Holden | The Guardian | 2019-05-22 |
| web | Michael Wines and John Schwart... | New York Times | 2016-02-08 |
| web | Puneet Kollipara | Washington Post | 2015-03-19 |
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| web | Taylor Sisk | Kaiser Health News | 2023-03-14 |
| web | Elaine Kurtenbach | Associated Press | 2022-11-02 |
| web | Howard Berkes | NPR | 2018-12-18 |
| web | Jim Morris | Center for Public Integrity | 2015-06-29 |
| web | Steven Greenhouse | New York Times | 2013-08-23 |
| web | Tim Huber and Vicki Smith | Associated Press | 2011-06-29 |
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| web | Daniel Boffey | The Guardian | 2015-10-01 |
| web | Brezis M | Isr J Psychiatry Relat Sci | 2008-01-01 |
| web | Scott Shane and Ron Nixon | New York Times | 2007-02-04 |
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