| Literature DB >> 1681247 |
G M Collins, W N Wicomb, B S Levin, S Verma, J Avery, J D Hill.
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Year: 1991 PMID: 1681247 DOI: 10.1016/0140-6736(91)91550-e
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321