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.
Tjellström A, Håkansson B.Tjellström A, et al.Otolaryngol Clin North Am. 1995 Feb;28(1):53-72.Otolaryngol Clin North Am. 1995.PMID: 7739869Clinical Trial.
Håkansson BE, Carlsson PU, Tjellström A, Lidén G.Håkansson BE, et al. Among authors: tjellstrom a.Ear Nose Throat J. 1994 Sep;73(9):670-5.Ear Nose Throat J. 1994.PMID: 7988397
Håkansson B, Tjellström A, Carlsson P.Håkansson B, et al. Among authors: tjellstrom a.Otolaryngol Head Neck Surg. 1990 Apr;102(4):339-44. doi: 10.1177/019459989010200407.Otolaryngol Head Neck Surg. 1990.PMID: 2113260