| Literature DB >> 4332354 |
E A Boulter, H T Zwartouw, D H Titmuss, H B Maber.
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Year: 1971 PMID: 4332354 DOI: 10.1093/oxfordjournals.aje.a121360
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897