title: [UTILIZATION OF A SYSTEM OF ORTHOGONAL DERIVATIONS IN THE EARLY DIAGNOSIS OF CORONARY INSUFFICIENCY].
mesh_terms: D003324:Coronary Artery Disease; D003327:Coronary Disease; D042241:Early Diagnosis; D004562:Electrocardiography
keywords: CORONARY DISEASE; ELECTROCARDIOGRAPHY
vernacular_title: UTILIZZAZIONE DI UN SISTEMA DI DERIVAZIONI ORTOGONALI NELLA DIAGNOSI PRECOCE DI INSUFFICIENZA CORONARICA.