| Literature DB >> 6416442 |
H M Newton, D B Morgan, C J Schorah, R P Hullin.
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Year: 1983 PMID: 6416442 PMCID: PMC1549636 DOI: 10.1136/bmj.287.6403.1429
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623