| Literature DB >> 6812808 |
S J Smith, N D Markandu, C Rotellar, D M Elder, G A MacGregor.
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Year: 1982 PMID: 6812808 PMCID: PMC1500149 DOI: 10.1136/bmj.285.6349.1205-a
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623