| Literature DB >> 1967370 |
M F Murphy, A H Waters, P C Grint, A E Hardiman, T A Lister.
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Year: 1990 PMID: 1967370 DOI: 10.1016/0140-6736(90)90194-a
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321