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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: olsvik o. 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.
Mortality in Norway and Sweden during the COVID-19 pandemic.
Juul FE, Jodal HC, Barua I, Refsum E, Olsvik Ø, Helsingen LM, Løberg M, Bretthauer M, Kalager M, Emilsson L. Juul FE, et al. Among authors: olsvik o. Scand J Public Health. 2022 Feb;50(1):38-45. doi: 10.1177/14034948211047137. Epub 2021 Oct 5. Scand J Public Health. 2022. PMID: 34609261 Free PMC article.
Characteristics of four cowpox virus isolates from Norway and Sweden.
Tryland M, Sandvik T, Hansen H, Haukenes G, Holtet L, Bennett M, Mehl R, Moens U, Olsvik O, Traavik T. Tryland M, et al. Among authors: olsvik o. APMIS. 1998 Jun;106(6):623-35. doi: 10.1111/j.1699-0463.1998.tb01392.x. APMIS. 1998. PMID: 9725795
Antibodies to orthopoxvirus in domestic cats in Norway.
Tryland M, Sandvik T, Holtet L, Nilsen H, Olsvik O, Traavik T. Tryland M, et al. Among authors: olsvik o. Vet Rec. 1998 Jul 25;143(4):105-9. doi: 10.1136/vr.143.4.105. Vet Rec. 1998. PMID: 9725176
91 results