| Literature DB >> 1156777 |
J B Ferris, J J Brown, D L Davies, R Fraser, E Haywood, A W Kay, J I Robertson, K Owen, W S Peart.
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Year: 1975 PMID: 1156777 PMCID: PMC1673802 DOI: 10.1136/bmj.3.5979.372
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447