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.
Visentin M, de Leon-Casasola OA, Lema MJ.Visentin M, et al. Among authors: lema mj.Pain. 1994 Apr;57(1):132-133. doi: 10.1016/0304-3959(94)90121-X.Pain. 1994.PMID: 8065792No abstract available.
de Leon-Casasola OA, Kent E, Lema MJ.de Leon-Casasola OA, et al. Among authors: lema mj.Pain. 1993 Aug;54(2):145-151. doi: 10.1016/0304-3959(93)90202-Z.Pain. 1993.PMID: 8233527