| Literature DB >> 6409337 |
A E Young, J I Gaunt, D Croft, R E Collins, C P Wells, A J Coakley.
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Year: 1983 PMID: 6409337 PMCID: PMC1548914 DOI: 10.1136/bmj.287.6389.427-b
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623