| Literature DB >> 4099643 |
M J Hill, B S Drasar, G Hawksworth, V Aries, J S Crowther, R E Williams.
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Year: 1971 PMID: 4099643 DOI: 10.1016/s0140-6736(71)90837-3
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321