Respiratory symptoms, bronchitis, and ventilatory capacity in men. An Anglo-Danish comparison, with special reference to differences in smoking habits
- PMID: 14428789
- PMCID: PMC1967048
- DOI: 10.1136/bmj.1.5171.450
Respiratory symptoms, bronchitis, and ventilatory capacity in men. An Anglo-Danish comparison, with special reference to differences in smoking habits
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