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.
Butler AR, White JH, Stark MJ.Butler AR, et al.J Gen Microbiol. 1991 Jul;137(7):1749-57. doi: 10.1099/00221287-137-7-1749.J Gen Microbiol. 1991.PMID: 1955863
Mad Arif SA, Taylor MA, George LA, Butler AR, Burch LR, Davies HV, Stark MJ, Kumar A.Mad Arif SA, et al. Among authors: butler ar.Plant Mol Biol. 1994 Oct;26(1):327-38. doi: 10.1007/BF00039543.Plant Mol Biol. 1994.PMID: 7948879
Flint SA, Stratigopoulos G, Butler AR, Cundliffe E.Flint SA, et al. Among authors: butler ar.J Ind Microbiol Biotechnol. 2002 Mar;28(3):160-7. doi: 10.1038/sj/jim/7000223.J Ind Microbiol Biotechnol. 2002.PMID: 12074090