| Literature DB >> 1932975 |
C C Blackwell1, V S James, S Davidson, R Wyld, R P Brettle, R J Robertson, D M Weir.
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Year: 1991 PMID: 1932975 PMCID: PMC1671168 DOI: 10.1136/bmj.303.6806.825-a
Source DB: PubMed Journal: BMJ ISSN: 0959-8138