| Literature DB >> 2565512 |
G W Lipkin, R Kendall, P Haggett, J H Turney, A M Brownjohn.
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Year: 1989 PMID: 2565512 DOI: 10.1016/s0140-6736(89)92680-9
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321