| | | | |
| web | Lisa Girion and Chad Terhune | Reuters | 2019-12-03 |
| web | Lisa Girion | Reuters | 2018-12-14 |
| web | Andrew Schneider | Hearst Newspapers | 2014-10-31 |
| | | | |
| web | Salzer S, Rosema NA | Clin Oral Investig | 2015-08-22 |
| web | Daniel DeNoon | WebMD | 2008-08-14 |
| web | Herlofson BB, Barkvoll P | Acta Odontol Scand | 1993-02-01 |
| | | | |
| web | Daniel DeNoon | WebMD | 2008-08-14 |
| | | | |
| web | Frank Kummer | Philadelphia Inquirer | 2021-08-03 |
| web | Jessica S. Helm, Marcia Nishio... | Environmental Research | 2018-08-01 |
| web | Karin Vergoth | phys.org | 2018-04-30 |
| web | Joy Mccarthy | Globe and Mail | 2014-11-21 |
| web | Braun JM, Sathyanarayana S | Curr Opin Pediatr | 2013-04-01 |