Correspondence
Childhood respiratory infection and adult chronic bronchitis in England and Wales
Br Med J (Clin Res Ed) 1987; 294 doi: https://doi.org/10.1136/bmj.294.6564.118-a (Published 10 January 1987) Cite this as: Br Med J (Clin Res Ed) 1987;294:118Article usage
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