The New England journal of medicine
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The magnitude and scope of Clostridium difficile infection in the United States continue to evolve. ⋯ C. difficile was responsible for almost half a million infections and was associated with approximately 29,000 deaths in 2011. (Funded by the Centers for Disease Control and Prevention.).
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A 31-year-old woman with Marfan's syndrome presented with amblyopia and a history of gradual bilateral vision loss over the previous 3 to 4 months. She had also had mild sensorineural hearing loss within the previous 2 weeks.
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Comment Letter
The concept of risk in comparative effectiveness research.