| Literature DB >> 19494089 |
Michaela Kreuzer1, Maria Schnelzer, Annemarie Tschense, Linda Walsh, Bernd Grosche.
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Year: 2009 PMID: 19494089 DOI: 10.1093/ije/dyp216
Source DB: PubMed Journal: Int J Epidemiol ISSN: 0300-5771 Impact factor: 7.196