| Literature DB >> 5485009 |
M P Singh, H H Bentall, W R Bell, E G Olsen, S P Allwork.
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Year: 1970 PMID: 5485009 PMCID: PMC472177 DOI: 10.1136/thx.25.4.472
Source DB: PubMed Journal: Thorax ISSN: 0040-6376 Impact factor: 9.139