| Literature DB >> 88596 |
R J Crawford, A Barr, I Macvarish, B C Dow, R Mitchell, E A Follett.
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Year: 1979 PMID: 88596 DOI: 10.1016/s0140-6736(79)90045-x
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321