| Literature DB >> 3933139 |
M R Hetzel, J H Clarke, S J Gillam, P Isaac, M Perkins.
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Year: 1985 PMID: 3933139 PMCID: PMC460185 DOI: 10.1136/thx.40.10.793
Source DB: PubMed Journal: Thorax ISSN: 0040-6376 Impact factor: 9.139