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.
Haugen DA, Peak MJ.Haugen DA, et al. Among authors: peak mj.Mutat Res. 1983 Mar;116(3-4):257-69. doi: 10.1016/0165-1218(83)90063-0.Mutat Res. 1983.PMID: 6300671
Haugen DA, Peak MJ, Reilly CA Jr.Haugen DA, et al. Among authors: peak mj.Mutat Res. 1981 Jun;82(1):59-67. doi: 10.1016/0027-5107(81)90138-x.Mutat Res. 1981.PMID: 6267458