| Literature DB >> 2891952 |
J M Littlewood, A W Johnson, P A Edwards, A E Littlewood.
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Year: 1988 PMID: 2891952 DOI: 10.1016/s0140-6736(88)90310-8
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321