1. O. Wegelius, Acta, Med. Scand., 214: 273 (1982).
2. I. Kedar, M. Ravid, and E. Sobar, in: Amyloid and Amyloidosis (G. G. Glenner, P. P. e Costa, and A. Falcao de Freitas, eds.), Excerpta Medica, Amsterdam (1980), p. 60.
3. S. Schneller, M. Skinner, and A. S. Cohen, Arthritis Rheum., 23: 743 (1980).
4. I. Kedar, E. Sohar, and M. Ravid, J. Lab. Clin. Med., 99: 693 (1982).
5. O. Wegelius, A.-M. Teppo, and C. P. J. Maury, Brit. Med. J., 284: 617 (1982).