| Literature DB >> 466215 |
D M McCarthy, S R Peikin, R N Lopatin, B W Long, A Spiegel, S Marx, M Brennan.
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Year: 1979 PMID: 466215 PMCID: PMC1599377 DOI: 10.1136/bmj.1.6180.1765
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447