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.
Maudgal DP, Kupfer RM, Zentler-Munro PL, Northfield TC.Maudgal DP, et al. Among authors: kupfer rm.Br Med J. 1980 Jan 19;280(6208):141-3. doi: 10.1136/bmj.280.6208.141.Br Med J. 1980.PMID: 7357291Free PMC article.
Northfield TC, Kupfer RM, Maudgal DP, Zentler-Munro PL, Meller ST, Garvie NW, McCready R.Northfield TC, et al. Among authors: kupfer rm.Br Med J. 1980 Jan 19;280(6208):143-4. doi: 10.1136/bmj.280.6208.143.Br Med J. 1980.PMID: 7357292Free PMC article.