| Literature DB >> 2982455 |
N Ibrahim, J Briggs, K Jeyasingham, C P Forrester-Wood, E Andrianopoulos.
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Year: 1985 PMID: 2982455 PMCID: PMC1417624 DOI: 10.1136/bmj.290.6469.713-b
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623