| Literature DB >> 2567925 |
C R Pinkerton, I J Lewis, A D Pearson, M C Stevens, J Barnes.
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Year: 1989 PMID: 2567925 DOI: 10.1016/s0140-6736(89)90217-1
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321