What proportion of patients with chronic noncancer pain are prescribed an opioid medicine? Systematic review and meta‐regression of observational studies
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2010 ◽
Vol 58
(7)
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pp. 1353-1369
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2020 ◽
Vol 21
(2)
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pp. 123-133
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2019 ◽
Vol 15
(1)
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pp. 135-143
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