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.
Langs DA, Guo D, Hauptman HA.Langs DA, et al.Acta Crystallogr A. 1995 Jul 1;51 ( Pt 4):535-42. doi: 10.1107/s0108767395000870.Acta Crystallogr A. 1995.PMID: 7632380
Langs DA, Blessing RH, Guo D.Langs DA, et al.Acta Crystallogr A. 1999 Jul 1;55 ( Pt 4):755-60. doi: 10.1107/s0108767399002998.Acta Crystallogr A. 1999.PMID: 10444815
Langs DA, Blessing RH, Guo D.Langs DA, et al.Acta Crystallogr D Biol Crystallogr. 2001 Apr;57(Pt 4):574-8. doi: 10.1107/s0907444901001123.Acta Crystallogr D Biol Crystallogr. 2001.PMID: 11264587
Langs DA, Blessing RH, Guo D.Langs DA, et al.Acta Crystallogr A. 2001 May;57(Pt 3):240-3. doi: 10.1107/s010876730001610x. Epub 2001 May 1.Acta Crystallogr A. 2001.PMID: 11326108
Langs DA, Guo D, Hauptman HA.Langs DA, et al.Acta Crystallogr D Biol Crystallogr. 1995 Nov 1;51(Pt 6):1020-4. doi: 10.1107/S0907444995006044.Acta Crystallogr D Biol Crystallogr. 1995.PMID: 15299770
Guo DY, Blessing RH, Langs DA, Hauptman HA.Guo DY, et al.Acta Crystallogr A. 1997 Jan 1;53 ( Pt 1):74-83. doi: 10.1107/s0108767396011993.Acta Crystallogr A. 1997.PMID: 9037748
Guo DY, Blessing RH, Langs DA, Smith GD.Guo DY, et al.Acta Crystallogr D Biol Crystallogr. 1999 Jan;55(Pt 1):230-7. doi: 10.1107/S0907444998008208. Epub 1999 Jan 1.Acta Crystallogr D Biol Crystallogr. 1999.PMID: 10089414