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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Ann Emerg Med. 2011 Jul;58(1 Suppl 1):S126–32.e1-4. doi: 10.1016/j.annemergmed.2011.03.023

Figure 1.

Figure 1

USHER trial enrollment schema. Percentages are calculated with the previous cell as the denominator. Results are reported as intention to treat.