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.
Kvestad E, Kvaerner KJ, Røysamb E, Tambs K, Harris JR, Magnus P.Kvestad E, et al. Among authors: harris jr.Twin Res. 2004 Jun;7(3):239-44. doi: 10.1375/136905204774200514.Twin Res. 2004.PMID: 15193168
Nes RB, Røysamb E, Reichborn-Kjennerud T, Tambs K, Harris JR.Nes RB, et al. Among authors: harris jr.Twin Res Hum Genet. 2005 Oct;8(5):440-9. doi: 10.1375/183242705774310097.Twin Res Hum Genet. 2005.PMID: 16212833