| Literature DB >> 1676447 |
S Green, S Buttrum, H Molloy, G Steventon, S Sturman, R Waring, H Pall, A Williams.
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Year: 1991 PMID: 1676447 DOI: 10.1016/0140-6736(91)90113-4
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321