| Literature DB >> 7915391 |
N J Beauchamp, M E Daly, P C Cooper, F E Preston, I R Peake.
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Year: 1994 PMID: 7915391 DOI: 10.1016/s0140-6736(94)92136-9
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321