References
- Björnsson S, Thorgeirsson Th, Gudnason Th. Icelandic Med J 1981; 67: 238–244
- Björnsson S, Thorgeirsson Th. Nord Med 1983; 98: 298–301
- Björnsson S. [Abstract] Meeting of the Icelandic Society of Internal Medicine. June, 1984
- Björnsson S. [Abstract] Meeting of the Icelandic Society of Internal Medicine. June, 1984
- Björnsson S. [Abstract] Meeting of the Icelandic Society of Internal Medicine. June, 1988