title: [3 cases of Prinzmetal's angina without pain].
mesh_terms: D000787:Angina Pectoris / Q000175:diagnosis*; D000788:Angina Pectoris, Variant / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Su tre casi di angina di Prinzmetal senza dolore