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>400% increase in journal papers on chronic #pain over 25 yrs. Share of #opioid papers doubled http://t.co/WNFZ9sipds http://t.co/aRHl1mobda
>400% increase in journal papers on chronic #pain over 25 yrs. Share of #opioid papers doubled http://t.co/WNFZ9sipds http://t.co/aRHl1mobda