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

220 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Characteristics and predictors of hospitalization and death in the first 11 122 cases with a positive RT-PCR test for SARS-CoV-2 in Denmark: a nationwide cohort.
Reilev M, Kristensen KB, Pottegård A, Lund LC, Hallas J, Ernst MT, Christiansen CF, Sørensen HT, Johansen NB, Brun NC, Voldstedlund M, Støvring H, Thomsen MK, Christensen S, Gubbels S, Krause TG, Mølbak K, Thomsen RW. Reilev M, et al. Among authors: christiansen cf. Int J Epidemiol. 2020 Oct 1;49(5):1468-1481. doi: 10.1093/ije/dyaa140. Int J Epidemiol. 2020. PMID: 32887982 Free PMC article.
[Study designs for the evaluation of drug effects].
Christensen S, Christiansen CF, Sørensen HT. Christensen S, et al. Among authors: christiansen cf. Ugeskr Laeger. 2009 Mar 2;171(10):799-802. Ugeskr Laeger. 2009. PMID: 19265605 Danish.
220 results