| Literature DB >> 1346430 |
P Arthur, B Kirkwood, D Ross, S Morris, J Gyapong, A Tomkins, H Addy.
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Year: 1992 PMID: 1346430 DOI: 10.1016/0140-6736(92)91677-z
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321