Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

133 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
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: loberg m. 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.
Risk of hepato-pancreato-biliary cancer is increased by primary sclerosing cholangitis in patients with inflammatory bowel disease: A population-based cohort study.
Yu J, Refsum E, Helsingen LM, Folseraas T, Ploner A, Wieszczy P, Barua I, Jodal HC, Melum E, Løberg M, Blom J, Bretthauer M, Adami HO, Kalager M, Ye W. Yu J, et al. Among authors: loberg m. United European Gastroenterol J. 2022 Mar;10(2):212-224. doi: 10.1002/ueg2.12204. Epub 2022 Feb 2. United European Gastroenterol J. 2022. PMID: 35107865 Free PMC article.
Nitrous oxide for analgesia in colonoscopy without sedation.
Løberg M, Furholm S, Hoff I, Aabakken L, Hoff G, Bretthauer M. Løberg M, et al. Gastrointest Endosc. 2011 Dec;74(6):1347-53. doi: 10.1016/j.gie.2011.07.071. Gastrointest Endosc. 2011. PMID: 22136779 Clinical Trial.
Failure to account for selection-bias.
Kalager M, Løberg M, Fønnebø VM, Bretthauer M. Kalager M, et al. Among authors: loberg m. Int J Cancer. 2013 Dec 1;133(11):2751-3. doi: 10.1002/ijc.28244. Epub 2013 Jun 17. Int J Cancer. 2013. PMID: 23649899 Free article. No abstract available.
133 results