| Literature DB >> 3126858 |
B A Wharton1, R E Pugh, L S Taitz, J A Walker-Smith, I W Booth.
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Year: 1988 PMID: 3126858 PMCID: PMC2545039 DOI: 10.1136/bmj.296.6620.450
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623