1. Electrocardiography;Katz,1946
2. Modern Electrocardiography;Lepeschkin,1951
3. Clonic Spasm of the Diaphragm; Observation in Three Cases With Special Attention to the Electrocardiographic Findings;Soderstrom;Acta med. Scandinav.,1950
4. Pathologische zwerchfellaktionsstrome im Ekg;Vill;Ztschr. f. Kreislaufforsch.,1949
5. ECG During Hiccup;Mladek;C̆asop. lék. c̆esk.,1939