<style face="normal" font="default" size="100%">Time trends and prescribing patterns of opioid drugs in UK primary care patients with non-cancer pain: A retrospective cohort study</style>

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31<style face="normal" font="default" size="100%">Time trends and prescribing patterns of opioid drugs in UK primary care patients with non-cancer pain: A retrospective cohort study</style><style face="normal" font="default" size="100%">Time trends and prescribing patterns of opioid drugs in UK primary care patients with non-cancer pain: A retrospective cohort study</style>