| Literature DB >> 8312772 |
D G Evans1, I S Fentiman, K McPherson, D Asbury, B A Ponder, A Howell.
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Year: 1994 PMID: 8312772 PMCID: PMC2542527 DOI: 10.1136/bmj.308.6922.183
Source DB: PubMed Journal: BMJ ISSN: 0959-8138