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.
Cutillo AG, Perondi R, Turiel M, Watanabe S, Renzetti AD Jr.Cutillo AG, et al. Among authors: renzetti ad jr.Respiration. 1985;47(2):81-9. doi: 10.1159/000194753.Respiration. 1985.PMID: 4001570
Hellems SO, Kanner RE, Renzetti AD Jr.Hellems SO, et al. Among authors: renzetti ad jr.Chest. 1983 May;83(5):831-2. doi: 10.1378/chest.83.5.831.Chest. 1983.PMID: 6839832