| Literature DB >> 2588219 |
J C Porter, J S Friedland, F Wojnarowska, J G Ledingham.
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Year: 1989 PMID: 2588219 PMCID: PMC462071 DOI: 10.1136/thx.44.9.766-b
Source DB: PubMed Journal: Thorax ISSN: 0040-6376 Impact factor: 9.139