Figure 1.

Who are to decide if an unconscious patient is to participate in a drug trial? Forty-two relatives of unconscious ICU patients were asked the above question. More than one answer could be marked. No relatives marked 'Do not know'. In A. all answer are displayed. In B. the answers of those relatives marking two answers (n = 27) are displayed.

Perner et al. BMC Anesthesiology 2010 10:6   doi:10.1186/1471-2253-10-6
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