| Literature DB >> 15310801 |
Carmen Ortiz-Roque1, Yadiris López-Rivera.
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Year: 2004 PMID: 15310801 PMCID: PMC1732882 DOI: 10.1136/jech.2003.019224
Source DB: PubMed Journal: J Epidemiol Community Health ISSN: 0143-005X Impact factor: 3.710