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Kvestad E, Czajkowski N, Engdahl B, Hoffman HJ, Tambs K.Kvestad E, et al. Among authors: engdahl b.Arch Otolaryngol Head Neck Surg. 2010 Feb;136(2):178-82. doi: 10.1001/archoto.2009.220.Arch Otolaryngol Head Neck Surg. 2010.PMID: 20157066Free PMC article.
Engdahl B, Tambs K.Engdahl B, et al.Scand J Work Environ Health. 2010 May;36(3):250-7. doi: 10.5271/sjweh.2887. Epub 2009 Dec 18.Scand J Work Environ Health. 2010.PMID: 20024522Free article.
Krog NH, Engdahl B, Tambs K.Krog NH, et al. Among authors: engdahl b.Int J Environ Res Public Health. 2010 Oct;7(10):3739-59. doi: 10.3390/ijerph7103739. Epub 2010 Oct 20.Int J Environ Res Public Health. 2010.PMID: 21139858Free PMC article.
Krog NH, Engdahl B, Tambs K.Krog NH, et al. Among authors: engdahl b.Int J Environ Res Public Health. 2010 Nov;7(11):3890-915. doi: 10.3390/ijerph7113890. Epub 2010 Nov 3.Int J Environ Res Public Health. 2010.PMID: 21139867Free PMC article.