| Literature DB >> 1975920 |
A M el-Hassan, H W Ghalib, E Zylstra, I A Eltoum, M S Ali, H M Ahmed.
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Year: 1990 PMID: 1975920 DOI: 10.1016/0140-6736(90)92244-c
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321