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Parker-Pope, Tara. “Teenagers Prefer Drinks with Caffeine.” New York Times, July 15, 2011. http://well.blogs.nytimes.com/2011/07/15/teenagers-prefer-drinks-with-caffeine/.
Reynolds, Gretchen. “Are Gawky Adolescents More Injury-Prone?” New York Times, April 20, 2011. http://well.blogs.nytimes.com/2011/04/20/sports-injuries-and-the-teenage-brain/.