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D.K. Gjøstein og medarbeidere svarer.
Gjøstein DK, Bretthauer M, Løberg M. Gjøstein DK, et al. Tidsskr Nor Laegeforen. 2016 Sep 13;136(16):1326-7. doi: 10.4045/tidsskr.16.0690. eCollection 2016 Sep. Tidsskr Nor Laegeforen. 2016. PMID: 27637038 Free article. Norwegian. No abstract available.
Incentives and participation in a medical survey.
Gjøstein DK, Huitfeldt A, Løberg M, Adami HO, Garborg K, Kalager M, Bretthauer M. Gjøstein DK, et al. Tidsskr Nor Laegeforen. 2016 Jul 5;136(12-13):1082-7. doi: 10.4045/tidsskr.15.1096. eCollection 2016 Jul. Tidsskr Nor Laegeforen. 2016. PMID: 27381786 Free article. Clinical Trial. English, Norwegian.
Covid-19 transmission in fitness centers in Norway - a randomized trial.
Helsingen LM, Løberg M, Refsum E, Gjøstein DK, Wieszczy P, Olsvik Ø, Juul FE, Barua I, Jodal HC, Herfindal M, Mori Y, Jore S, Lund-Johansen F, Fretheim A, Bretthauer M, Kalager M; TRAiN study group. Helsingen LM, et al. Among authors: gjostein dk. BMC Public Health. 2021 Nov 16;21(1):2103. doi: 10.1186/s12889-021-12073-0. BMC Public Health. 2021. PMID: 34789188 Free PMC article. Clinical Trial.