| Literature DB >> 7658903 |
C Williamson, S Engelbrecht, M Lambrick, E J van Rensburg, R Wood, W Bredell, A L Williamson.
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Year: 1995 PMID: 7658903 DOI: 10.1016/s0140-6736(95)91543-5
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321