[Effect of roentgenotherapy of malignant tumors on the heart muscle according to electrocardiographic data].
D004562:Electrocardiography; D006321:Heart / Q000528:radiation effects*; D006801:Humans; D009206:Myocardium; D009369:Neoplasms / Q000532:radiotherapy*; D014964:X-Ray Therapy
HEART/radiation effects; NEOPLASMS/radiotherapy