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

9 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Effectiveness and adherence to closed face shields in the prevention of COVID-19 transmission: a non-inferiority randomized controlled trial in a middle-income setting (COVPROSHIELD).
Varela AR, Gurruchaga AP, Restrepo SR, Martin JD, Landazabal YDC, Tamayo-Cabeza G, Contreras-Arrieta S, Caballero-Díaz Y, Florez LJH, González JM, Santos-Barbosa JC, Pinzón JD, Yepes-Nuñez JJ, Laajaj R, Buitrago Gutierrez G, Florez MV, Fuentes Castillo J, Quinche Vargas G, Casas A, Medina A, Behrentz E; CoVIDA Working Group. Varela AR, et al. Among authors: pinzon jd. Trials. 2022 Aug 20;23(1):698. doi: 10.1186/s13063-022-06606-0. Trials. 2022. PMID: 35987694 Free PMC article. Clinical Trial.
International variation in neighborhood walkability, transit, and recreation environments using geographic information systems: the IPEN adult study.
Adams MA, Frank LD, Schipperijn J, Smith G, Chapman J, Christiansen LB, Coffee N, Salvo D, du Toit L, Dygrýn J, Hino AA, Lai PC, Mavoa S, Pinzón JD, Van de Weghe N, Cerin E, Davey R, Macfarlane D, Owen N, Sallis JF. Adams MA, et al. Among authors: pinzon jd. Int J Health Geogr. 2014 Oct 25;13:43. doi: 10.1186/1476-072X-13-43. Int J Health Geogr. 2014. PMID: 25343966 Free PMC article.