| Literature DB >> 8093383 |
S Shaikh, D Collier, R W Kerwin, L S Pilowsky, M Gill, W M Xu, A Thornton.
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Year: 1993 PMID: 8093383 DOI: 10.1016/0140-6736(93)92594-j
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321