| Literature DB >> 6106121 |
R Heyworth, D Simpson, G J McNeillage, D H Robertson, H Young.
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Year: 1980 PMID: 6106121 DOI: 10.1016/s0140-6736(80)91911-x
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321