Remifentanil versus fentanyl for analgesia based sedation to provide patient comfort in the intensive care unit: a randomized, double-blind controlled trial [ISRCTN43755713]
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* Corresponding author: Bernd Muellejans dr.muellejans@drguth.de
Critical Care 2004, 8:R1-R11 doi:10.1186/cc2398