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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Ann Emerg Med. 2012 Mar 15;60(2):172–180.e5. doi: 10.1016/j.annemergmed.2012.02.003

Fig 3.

Fig 3

Average number of days of substance use among past-year adult users of the corresponding substance by emergency department use (N=86,682). Lines extending from bars indicate 95% confidence intervals of the estimates.