1. Barka, T. andP.J. Anderson: Histochemistry. Theory, practice and bibliography. New York: Harper & Row 1963.
2. Bertelsen, S.: Atherosclerose og aldersforandringer i humane arterier af elastisk type. K�benhavn: Munksgaard 1964.
3. - Personal communication to the auther, 1964.
4. Blumenthal, H.T., M. Alex, andS. Goldenberg: A study of lesions of the intramural coronary artery branches in diabetes mellitus. Arch. Path.70, 13?28 1960.
5. ?,A.W. Berns, C.T. Owens, andY. Hirata: The pathogenesis of diabetic glomerulosclerosis. Diabetes11, 296?307 (1962).