Reference
Xie J, et al. Association of Tramadol vs Codeine Prescription Dispensation With Mortality and Other Adverse Clinical Outcomes. JAMA: the Journal of the American Medical Association 326: 1504-1515, No. 15, 19 Oct 2021. Available from: URL: http://doi.org/10.1001/jama.2021.15255
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Tramadol increases risk of all-cause mortality versus codeine. Reactions Weekly 1879, 11 (2021). https://doi.org/10.1007/s40278-021-04495-6
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DOI: https://doi.org/10.1007/s40278-021-04495-6