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Irgens A, Udal A.Irgens A, et al.Tidsskr Nor Laegeforen. 2022 Mar 22;142(5). doi: 10.4045/tidsskr.22.0135. Print 2022 Mar 22.Tidsskr Nor Laegeforen. 2022.PMID: 35324113Free article.English, Norwegian.
Connolly SM, Vanchu-Orosco M, Warner J, Seidi PA, Edwards J, Boath E, Irgens AC.Connolly SM, et al. Among authors: irgens ac.Bull World Health Organ. 2021 Aug 1;99(8):572-582. doi: 10.2471/BLT.20.269050. Epub 2021 Apr 29.Bull World Health Organ. 2021.PMID: 34354312Free PMC article.Review.