Electrocardiology II : Physiological, Pathophysiological and Diagnostical Research. 2nd International Congress / 16th International Symposium on Vectorcardiography, Varna, October 1975
Electrocardiology II : Physiological, Pathophysiological and Diagnostical Research. 2nd International Congress / 16th International Symposium on Vectorcardiography, Varna, October 1975