Figure 1.

Trends in prescription of the most relevant opioids in hospitalized patients in the Oncology Department, in Daily Defines Doses per 1000 hospital stays (DDD/1000HS) per year. Palliative Care Unit start at 2004.

Centeno et al. BMC Palliative Care 2009 8:2   doi:10.1186/1472-684X-8-2
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