| Literature DB >> 4122576 |
P K Fraser, G K Bailey, J D Abbott, J B Gill, D J Walker.
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Year: 1973 PMID: 4122576 DOI: 10.1016/s0140-6736(73)90541-2
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321