title: [T loop observed in patients with angina pectoris (with notes on sex-related characteristics].
mesh_terms: D000328:Adult; D000787:Angina Pectoris / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D014672:Vectorcardiography