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. 1984 Jun;39(6):479.

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Neil B Pride

¹Royal Postgraduate Medical School, London W12 OHS

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¹

¹Royal Postgraduate Medical School, London W12 OHS

PMC Copyright notice

PMCID: PMC459842

See the letter "Definitions of emphysema, chronic bronchitis, asthma, and airflow obstruction" on page 479c.

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479

Articles from Thorax are provided here courtesy of BMJ Publishing Group

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