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.
Khalsa A, Edvardsson N, Olsson SB.Khalsa A, et al. Among authors: olsson sb.Clin Cardiol. 1978 Aug;1(2):91-5. doi: 10.1002/clc.4960010207.Clin Cardiol. 1978.PMID: 756821Free article.
Olsson SB, Cai N, Edvardsson N, Talwar KK.Olsson SB, et al.Cardiovasc Res. 1989 Jan;23(1):53-9. doi: 10.1093/cvr/23.1.53.Cardiovasc Res. 1989.PMID: 2776151
Blomström P, Edvardsson N, Olsson SB.Blomström P, et al. Among authors: olsson sb.Acta Med Scand. 1984;216(5):517-24. doi: 10.1111/j.0954-6820.1984.tb05040.x.Acta Med Scand. 1984.PMID: 6524456