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Gjersvik P, Stangeland KZ.Gjersvik P, et al.Tidsskr Nor Laegeforen. 2018 Jan 22;138(2). doi: 10.4045/tidsskr.17.0933. Print 2018 Jan 23.Tidsskr Nor Laegeforen. 2018.PMID: 29357642Free article.Norwegian.No abstract available.
Gjersvik P, Saunes M, Grimstad Ø.Gjersvik P, et al.Tidsskr Nor Laegeforen. 2014 Dec 9;134(23-24):2244. doi: 10.4045/tidsskr.14.1345. eCollection 2014 Dec 9.Tidsskr Nor Laegeforen. 2014.PMID: 25492330Free article.Norwegian.No abstract available.