title: [Results of comparative studies of exercise-electrocardiograms using the conventional and Frank's corrected orthogonal lead system in coronary heart disease].
mesh_terms: D000200:Action Potentials; D001021:Aortic Valve / Q000503:physiopathology; D003327:Coronary Disease / Q000503:physiopathology*; D004562:Electrocardiography; D005080:Exercise Test; D005260:Female; D006321:Heart / Q000502:physiology; D006349:Heart Valve Diseases / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000503:physiopathology; D011187:Posture
vernacular_title: Ergebnisse von Vergleichsuntersuchungen von Belastungs-Elektrokardiagrammen mit dem konventionellen und korrigierten orthogonalen Ableitungssystem nach Frank bei der koronaren Herzkrankheit