| Literature DB >> 6136716 |
H Williams, C S Brown, N S Thomas, P S Harper, A Roberts, M Ppadhyaya, J R Gosden.
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Year: 1983 PMID: 6136716 DOI: 10.1016/s0140-6736(83)90594-9
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321