| Literature DB >> 9291930 |
M W Smith, M Dean, M Carrington, G A Huttley, S J O'Brien.
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Year: 1997 PMID: 9291930 DOI: 10.1016/S0140-6736(05)63551-9
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321