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.
Edwards TB, Nelson RP, Ballester OF, Saba HI, Lockey RF.Edwards TB, et al. Among authors: ballester of.South Med J. 1993 Jun;86(6):686-8. doi: 10.1097/00007611-199306000-00020.South Med J. 1993.PMID: 8506494
Ballester O, Moscinski LC, Morris D, Balducci L.Ballester O, et al.J Am Geriatr Soc. 1992 Mar;40(3):277-84. doi: 10.1111/j.1532-5415.1992.tb02083.x.J Am Geriatr Soc. 1992.PMID: 1538050Review.No abstract available.