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Abstract
Mesh: See more » History, 19th CenturyHistory, 20th CenturyRadiography, Thoracic/historyUnited Kingdom
Year: 1971 PMID: 4934579 PMCID: PMC1019077 DOI: 10.1136/thx.26.3.233
Source DB: PubMed Journal: Thorax ISSN: 0040-6376 Impact factor: 9.139