| Literature DB >> 21080838 |
Ivar J Aaraas, Irene Hetlevik, Gisle Roksund, Svein Steinert.
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Year: 2010 PMID: 21080838 PMCID: PMC3444788 DOI: 10.3109/02813432.2010.524811
Source DB: PubMed Journal: Scand J Prim Health Care ISSN: 0281-3432 Impact factor: 2.581