| Literature DB >> 1547419 |
E J Stewart1, M J Cinnamond, R Siddiqui, D P Nicholls, C F Stanford.
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Year: 1992 PMID: 1547419 PMCID: PMC1881096 DOI: 10.1136/bmj.304.6825.479
Source DB: PubMed Journal: BMJ ISSN: 0959-8138