An official website of the United States government
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.
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.
Rui P, Santo L, Ashman JJ.Rui P, et al. Among authors: santo l.Natl Health Stat Report. 2020 Jan;(135):1-12.Natl Health Stat Report. 2020.PMID: 32510308Free article.
Santo L, Schappert SM, Hootman JM, Helmick CG.Santo L, et al.Arthritis Care Res (Hoboken). 2021 Oct;73(10):1430-1435. doi: 10.1002/acr.24447. Epub 2021 Aug 26.Arthritis Care Res (Hoboken). 2021.PMID: 32937030Free PMC article.