ArticleDeutsches Arzteblatt international2014
Long-term opioid use in non-cancer pain.
Winfried Häuser et al.PubMed ↗Full text ↗Publisher ↗
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ArticleDeutsches Arzteblatt international2014
Winfried Häuser et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.