| Literature DB >> 5711770 |
D A Watson, K W Pearson, J C Cawley, W G Rhea, R J Donnelly, F Dexter.
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Year: 1968 PMID: 5711770 PMCID: PMC471869 DOI: 10.1136/thx.23.6.621
Source DB: PubMed Journal: Thorax ISSN: 0040-6376 Impact factor: 9.139