| Literature DB >> 7913189 |
P Kelly, G McPhail, B Ngwenya, N Luo, A H Karew, C Pankhurst, F Drobniewski, M Farthing.
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Year: 1994 PMID: 7913189 DOI: 10.1016/s0140-6736(94)93039-2
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321