| Literature DB >> 17439789 |
K Nygård1, B-A Lindstedt, W Wahl, L Jensvoll, C Kjelsø, K Mølbak, M Torpdahl, G Kapperud.
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Year: 2007 PMID: 17439789 DOI: 10.2807/esw.12.11.03158-en
Source DB: PubMed Journal: Euro Surveill ISSN: 1025-496X