| Literature DB >> 10622322 |
R L Smyth, J N Fletcher, H M Thomas, C A Hart, P J Openshaw.
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Year: 1999 PMID: 10622322 DOI: 10.1016/s0140-6736(05)76769-6
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321