| Literature DB >> 2887956 |
H M Mitchell, T D Bohane, J Berkowicz, S L Hazell, A Lee.
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Year: 1987 PMID: 2887956 DOI: 10.1016/s0140-6736(87)92459-7
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321