| Literature DB >> 3119055 |
T Sekizawa1, S Nakamura, K Kogure, K Hayashi, K Yanagi, H Openshaw.
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Year: 1987 PMID: 3119055 PMCID: PMC1247859 DOI: 10.1136/bmj.295.6602.813
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623