| Literature DB >> 6035802 |
M D Holdaway, J Kennedy, T Ashcroft, J J Kay-Butler.
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Year: 1967 PMID: 6035802 PMCID: PMC471651 DOI: 10.1136/thx.22.4.375
Source DB: PubMed Journal: Thorax ISSN: 0040-6376 Impact factor: 9.139