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.
Porter RJ, McAllister-Williams RH, Jones S, Young AH.Porter RJ, et al. Among authors: young ah.Psychopharmacology (Berl). 1999 Mar;143(1):64-71. doi: 10.1007/s002130050920.Psychopharmacology (Berl). 1999.PMID: 10227081Clinical Trial.