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.
Santoni-Rugiu E, Silverman JA.Santoni-Rugiu E, et al.Carcinogenesis. 1997 Nov;18(11):2255-63. doi: 10.1093/carcin/18.11.2255.Carcinogenesis. 1997.PMID: 9395229
Chieli E, Santoni Rugiu E, Cervelli F, Paolicchi A, Tongiani R.Chieli E, et al.Cell Biol Toxicol. 1993 Jul-Sep;9(3):235-41. doi: 10.1007/BF00755602.Cell Biol Toxicol. 1993.PMID: 7905358
Chieli E, Santoni-Rugiu E, Cervelli F, Sabbatini A, Petrini M, Romiti N, Paolicchi A, Tongiani R.Chieli E, et al.Carcinogenesis. 1994 Feb;15(2):335-41. doi: 10.1093/carcin/15.2.335.Carcinogenesis. 1994.PMID: 7906206