| Literature DB >> 16783108 |
Johanna Takkinen1, Ulla-Maija Nakari, Tuula Johansson, Taina Niskanen, Anja Siitonen, Markku Kuusi.
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Year: 2005 PMID: 16783108 DOI: 10.2807/esw.10.26.02734-en
Source DB: PubMed Journal: Euro Surveill ISSN: 1025-496X