@sarahkliff @JennyAGold Sightings of unicorn may be premature. See critique of JAMA study on ACOs here: http://ldi.upenn.edu/voices/2013/09/03/still-looking-for-that-unicorn-latest-aco-study-misleading#disqus_comments …
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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@sarahkliff OK, wow. That IS an amazing unicorn pic. My 11-year-old self says SQUEE!Thanks. Twitter will use this to make your timeline better. UndoUndo
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