1. Exercise electrocardiograms recorded twice with an 8-year interval in a group of 204 women and men 48-63 years old;Ästrand;Acta med. scand.,1965
2. The electrocardiogram in population studies;Blackburn;Circulation,1960
3. Ett amerikanskt system för kodifiering av EKG;Blomqvist;Svenska Läk.-Tidn.,1963
4. A study of lesions of the intramural coronary artery branches in diabetes mellitus;Blumenthal;Arch. Path.,1960