| Literature DB >> 4924347 |
P A Cullum, M Baum, A Clarke, P B Wemyss-Gorman, E Howard, R M McClelland.
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Year: 1970 PMID: 4924347 PMCID: PMC472219 DOI: 10.1136/thx.25.6.744
Source DB: PubMed Journal: Thorax ISSN: 0040-6376 Impact factor: 9.139