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.
Rutten K, De Vry J, Robens A, Tzschentke TM, van der Kam EL.Rutten K, et al.Eur J Pain. 2011 Mar;15(3):299-305. doi: 10.1016/j.ejpain.2010.07.011.Eur J Pain. 2011.PMID: 20801699
Rutten K, van der Kam EL, De Vry J, Tzschentke TM.Rutten K, et al.Pharmacology. 2011;87(5-6):286-96. doi: 10.1159/000327680. Epub 2011 May 17.Pharmacology. 2011.PMID: 21577043
Rutten K, Van Der Kam EL, De Vry J, Bruckmann W, Tzschentke TM.Rutten K, et al.Addict Biol. 2011 Jan;16(1):108-15. doi: 10.1111/j.1369-1600.2010.00235.x.Addict Biol. 2011.PMID: 20579001