| Literature DB >> 8762364 |
Z F Zhang1, Z Z Zhang, S Z Yu, J R Marshall, M A Zielezny, S L Graham, Y X Chen, X Z Yang.
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Year: 1996 PMID: 8762364 PMCID: PMC1060214 DOI: 10.1136/jech.50.1.104
Source DB: PubMed Journal: J Epidemiol Community Health ISSN: 0143-005X Impact factor: 3.710