title: Transient atrioventricular block in variant form of angina pectoris. (Report of two cases).
mesh_terms: D000368:Aged; D000787:Angina Pectoris / Q000150:complications*; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications