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.
Lehtinen A, Leirisalo-Repo M, Taavitsainen M.Lehtinen A, et al.Clin Exp Rheumatol. 1995 Nov-Dec;13(6):733-6.Clin Exp Rheumatol. 1995.PMID: 8835246Clinical Trial.
Leirisalo-Repo M, Helenius P, Hannu T, Lehtinen A, Kreula J, Taavitsainen M, Koskimies S.Leirisalo-Repo M, et al.Ann Rheum Dis. 1997 Sep;56(9):516-20. doi: 10.1136/ard.56.9.516.Ann Rheum Dis. 1997.PMID: 9370874Free PMC article.