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. 1965 Jan 30;1(5430):288–290. doi: 10.1136/bmj.1.5430.288

Daily Variations in Sputum Volume in Chronic Bronchitis

Thomas Ashcroft

PMCID: PMC2165318 PMID: 14229709

288

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Fig. 3
on p.290

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

ELMES P. C., DUTTON A. A., FLETCHER C. M. Sputum examination and the investigation of chronic bronchitis. Lancet. 1959 Jun 13;1(7085):1241–1244. doi: 10.1016/s0140-6736(59)90916-x. [DOI] [PubMed] [Google Scholar]
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