| Literature DB >> 7685461 |
C A Graham, C W Kirk, N C Nevin, A G Droogan, S A Hawkins, S A McMillan, T A McNeill.
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Year: 1993 PMID: 7685461 DOI: 10.1016/0140-6736(93)90734-x
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321