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.
Cole SA, Birnbaum S, Hixson JE.Cole SA, et al. Among authors: birnbaum s.Gene. 1997 Jul 9;193(2):197-201. doi: 10.1016/s0378-1119(97)00114-5.Gene. 1997.PMID: 9256077
Pastorcic M, Birnbaum S, Hixson JE.Pastorcic M, et al. Among authors: birnbaum s.Genomics. 1992 Jun;13(2):368-74. doi: 10.1016/0888-7543(92)90255-q.Genomics. 1992.PMID: 1612596
Hixson JE, Driscoll DM, Birnbaum S, Britten ML.Hixson JE, et al. Among authors: birnbaum s.Gene. 1993 Jun 30;128(2):295-9. doi: 10.1016/0378-1119(93)90578-q.Gene. 1993.PMID: 8514197