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.
Myreng Y, Smiseth OA.Myreng Y, et al. Among authors: smiseth oa.Circulation. 1990 Jan;81(1):260-6. doi: 10.1161/01.cir.81.1.260.Circulation. 1990.PMID: 2297830
Myreng Y, Smiseth OA, Risøe C.Myreng Y, et al. Among authors: smiseth oa.Am Heart J. 1990 Mar;119(3 Pt 1):620-6. doi: 10.1016/s0002-8703(05)80285-6.Am Heart J. 1990.PMID: 2309604
Stugaard M, Smiseth OA, Risøe C, Ihlen H.Stugaard M, et al. Among authors: smiseth oa.J Am Soc Echocardiogr. 1995 May-Jun;8(3):270-9. doi: 10.1016/s0894-7317(05)80037-9.J Am Soc Echocardiogr. 1995.PMID: 7640020
Stugaard M, Risöe C, Ihlen H, Smiseth OA.Stugaard M, et al. Among authors: smiseth oa.J Am Coll Cardiol. 1994 Sep;24(3):663-70. doi: 10.1016/0735-1097(94)90012-4.J Am Coll Cardiol. 1994.PMID: 8077536Free article.