Research

Protective effect of antibiotics against serious complications of common respiratory tract infections: retrospective cohort study with the UK General Practice Research Database

BMJ 2007; doi: https://doi.org/10.1136/bmj.39345.405243.BE (Published 18 October 2007) Cite this as: BMJ 2007;:bmj;bmj.39345.405243.BEv1

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