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.
Busschbach JJ, Horikx PE, van den Bosch JM, Brutel de la Rivière A, de Charro FT.Busschbach JJ, et al.Chest. 1994 Mar;105(3):911-7. doi: 10.1378/chest.105.3.911.Chest. 1994.PMID: 8131563
van Agthoven M, Fokkens WJ, van de Merwe JP, Marijke van Bolhuis E, Uyl-de Groot CA, Busschbach JJ.van Agthoven M, et al. Among authors: busschbach jj.Am J Rhinol. 2001 Jul-Aug;15(4):231-7.Am J Rhinol. 2001.PMID: 11554654Clinical Trial.