| Literature DB >> 4700011 |
D Kremer, R Fraser, J J Brown, A F Lever, D L Davies, J I Robertson.
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Year: 1973 PMID: 4700011 PMCID: PMC1589384 DOI: 10.1136/bmj.2.5860.216
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447