| Literature DB >> 2497896 |
P J Flegg1, M E Jones, L R MacCallum, K G Williams, M K Cook, R P Brettle.
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Year: 1989 PMID: 2497896 PMCID: PMC1836434 DOI: 10.1136/bmj.298.6680.1074
Source DB: PubMed Journal: BMJ ISSN: 0959-8138