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.
Leemans CR, Tiwari R, van der Waal I, Karim AB, Nauta JJ, Snow GB.Leemans CR, et al. Among authors: karim ab.Laryngoscope. 1990 Nov;100(11):1194-8. doi: 10.1288/00005537-199011000-00012.Laryngoscope. 1990.PMID: 2233083
van der Wal JE, Snow GB, Karim AB, van der Waal I.van der Wal JE, et al. Among authors: karim ab.Head Neck. 1989 Nov-Dec;11(6):497-9. doi: 10.1002/hed.2880110604.Head Neck. 1989.PMID: 2555314