Withholding Resuscitation: A New Approach to Prehospital End-of-Life Decisions

Figure. “Participating agencies” were defined as those that agreed to implement the 1998 guidelines. “Nonparticipating agencies”
were those that did not implement the guidelines. DNR = do not resuscitate; EMS = emergency medical services.
Study design.
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Ann Intern Med
May 2, 2006
vol. 144
no. 9
634-640