| Literature DB >> 2888510 |
G Williams1, J A Ball, R A Lawson, G F Joplin, S R Bloom, M R Maskill.
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Year: 1987 PMID: 2888510 PMCID: PMC1247083 DOI: 10.1136/bmj.295.6592.247
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623