| Literature DB >> 8101264 |
P Scott-Mackie, T Hickish, P Mortimer, J Sloane, D Cunningham.
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Year: 1993 PMID: 8101264 DOI: 10.1016/0140-6736(93)91373-t
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321