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.
Beckwith BE, Petros TV, Knutson KK.Beckwith BE, et al.Peptides. 1990 Nov-Dec;11(6):1313-5. doi: 10.1016/0196-9781(90)90166-3.Peptides. 1990.PMID: 2087443
Beckwith BE, Petros TV, Couk DI, Tinius TP.Beckwith BE, et al.Ann N Y Acad Sci. 1990;579:215-26. doi: 10.1111/j.1749-6632.1990.tb48363.x.Ann N Y Acad Sci. 1990.PMID: 2337293No abstract available.
Beckwith BE, Petros TV, Scaglione C, Nelson J.Beckwith BE, et al.Physiol Behav. 1986;36(2):283-6. doi: 10.1016/0031-9384(86)90017-x.Physiol Behav. 1986.PMID: 3961002Clinical Trial.