Intended for healthcare professionals

Research Article

Letter: Relationship between lung cancer and chronic bronchitis.

Br Med J 1975; 4 doi: https://doi.org/10.1136/bmj.4.5988.100 (Published 11 October 1975) Cite this as: Br Med J 1975;4:100

Article usage

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Usage statistics: May 2018 to March 2024

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