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.
Abad CLR, Safdar N.Abad CLR, et al. Among authors: safdar n.Gastroenterol Clin North Am. 2021 Jun;50(2):323-340. doi: 10.1016/j.gtc.2021.02.010.Gastroenterol Clin North Am. 2021.PMID: 34024444Review.
Safdar N, Maki DG.Safdar N, et al.Ann Intern Med. 2002 Jun 4;136(11):834-44. doi: 10.7326/0003-4819-136-11-200206040-00013.Ann Intern Med. 2002.PMID: 12044132Review.
Safdar N, Abad CL, Narayan S, Kaul DR, Saint S.Safdar N, et al.N Engl J Med. 2009 Jan 1;360(1):72-6. doi: 10.1056/NEJMcps0803420.N Engl J Med. 2009.PMID: 19118307No abstract available.
Safdar N, Barigala R, Said A, McKinley L.Safdar N, et al.J Clin Pharm Ther. 2008 Dec;33(6):663-8. doi: 10.1111/j.1365-2710.2008.00980.x.J Clin Pharm Ther. 2008.PMID: 19138244Clinical Trial.