title: [Comparative studies of T-wave, T-loop, coronary angiography and left ventriculography].
mesh_terms: D000328:Adult; D000368:Aged; D017023:Coronary Angiography; D005260:Female; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D014672:Vectorcardiography