Changes in opioid prescribing during the COVID-19 pandemic in England: cohort study of 20 million patients in OpenSAFELY-TPP
Andrea L Schaffer,Colm D Andrews,Andrew D Brown,Richard Croker,William J Hulme,Linda Nab,Jane Quinlan,Victoria Speed,Christopher Wood,Milan Wiedemann,Jon Massey,Peter Inglesby,Seb CJ Bacon,Amir Mehrkar,Chris Bates,Ben Goldacre,The OpenSAFELY Collaborative,Alex J Walker,Brian MacKenna medrxiv（2024）
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