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. 1961 May 27;1(5238):1491-8.
doi: 10.1136/bmj.1.5238.1491.

Chronic bronchitis. A further study of simple diagnostic methods in a working population

C M FLETCHER, C M TINKER

Chronic bronchitis. A further study of simple diagnostic methods in a working population

C M FLETCHER et al. Br Med J. .
No abstract available

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References

    1. Br Med J. 1956 Oct 20;2(4998):904-10 - PubMed
    1. Br Med J. 1956 Nov 10;2(5001):1071-81 - PubMed
    1. Br Med J. 1957 Nov 23;2(5055):1198-203 - PubMed
    1. Lancet. 1958 May 31;1(7031):1147-52 - PubMed
    1. Tubercle. 1958 Oct;39(5):296-301 - PubMed

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