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.
Angel C, Hartman AM, Burkett ML, Roberts AJ.Angel C, et al.J Nerv Ment Dis. 1965 Jun;140(6):405-11. doi: 10.1097/00005053-196506000-00002.J Nerv Ment Dis. 1965.PMID: 5827241No abstract available.
Angel C, Roberts AJ.Angel C, et al.J Nerv Ment Dis. 1966 Apr;142(4):376-80. doi: 10.1097/00005053-196604000-00008.J Nerv Ment Dis. 1966.PMID: 5946050No abstract available.