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

497 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: hallas j. Int J Epidemiol. 2020 Oct 1;49(5):1468-1481. doi: 10.1093/ije/dyaa140. Int J Epidemiol. 2020. PMID: 32887982 Free PMC article.
The Danish prescription registries.
Gaist D, Sørensen HT, Hallas J. Gaist D, et al. Among authors: hallas j. Dan Med Bull. 1997 Sep;44(4):445-8. Dan Med Bull. 1997. PMID: 9377907
The validity of self-reported use of hormone replacement therapy among Danish nurses.
Løkkegaard EL, Johnsen SP, Heitmann BL, Stahlberg C, Pedersen AT, Obel EB, Hundrup YA, Hallas J, Sørensen HT. Løkkegaard EL, et al. Among authors: hallas j. Acta Obstet Gynecol Scand. 2004 May;83(5):476-81. doi: 10.1111/j.0001-6349.2004.00376.x. Acta Obstet Gynecol Scand. 2004. PMID: 15059162 Free article.
[Pharmacoepidemiology].
Hallas J, Sørensen HT. Hallas J, et al. Ugeskr Laeger. 2005 May 16;167(20):2186-90. Ugeskr Laeger. 2005. PMID: 15987081 Review. Danish. No abstract available.
[Children prefer bottled amoxicillin].
Pottegård A, Hallas J. Pottegård A, et al. Among authors: hallas j. Ugeskr Laeger. 2010 Dec 13;172(50):3468-70. Ugeskr Laeger. 2010. PMID: 21156107 Danish.
497 results