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Gjestland T.Gjestland T.Int J Environ Res Public Health. 2018 Dec 2;15(12):2717. doi: 10.3390/ijerph15122717.Int J Environ Res Public Health. 2018.PMID: 30513834Free PMC article.
Gjestland T.Gjestland T.Int J Environ Res Public Health. 2020 Feb 20;17(4):1374. doi: 10.3390/ijerph17041374.Int J Environ Res Public Health. 2020.PMID: 32093359Free PMC article.