| Literature DB >> 15473138 |
D L Heymann, E M De Gourville, R B Aylward.
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Year: 2004 PMID: 15473138 PMCID: PMC2870162 DOI: 10.1017/s0950268804002638
Source DB: PubMed Journal: Epidemiol Infect ISSN: 0950-2688 Impact factor: 2.451