| Literature DB >> 4316198 |
Y Numazaki, N Yano, T Morizuka, S Takai, N Ishida.
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Year: 1970 PMID: 4316198 DOI: 10.1093/oxfordjournals.aje.a121151
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897