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Cited: A History of Vaccines. The College of Physicians of Philadelphia, 2013. Web. http://www.historyofvaccines.org/content/timelines/all. "Interview with Sherri Tenpenny about Dangers of Vaccines - NaturalNews.tv." Natural News.com. Natural News, 2 Feb. 2011. Web. http://tv.naturalnews.com/v.asp?v=4cd1fe39ddb89814031b07e7623ce8f7. Miller, Neil Z. “Overdosed Babies: Are Multiple Vaccines Safe?” ThinkTwice Global Vaccine Institute. ThinkTwice Global Vaccine Institute, 2010. Web. www.thinktwice.com. Offit, Paul A., MD. Vaccination Education Center. Children 's Hospital of Philadelphia, 2012. Web. http://www.chop.edu/service/vaccine-education-center/home.html. Offit, Paul A., M.D., and Cherlotte A. Moser. Vaccines and Your Child. Chichester: Columbia UP, 2011. Print. "Top 5 Drugs for Autism." Newsmax. Newsmax, 12 Jan. 2011. Web. http://www.newsmax.com/FastFeatures/Drugs-medication-for- autism/2011/01/12/id/382640.