title: [Clinical and electrocardiographic studies for the early diagnosis of angina pectoris].
mesh_terms: D000787:Angina Pectoris / Q000175:diagnosis*; D004562:Electrocardiography; D006801:Humans; D008875:Middle Aged; D013997:Time Factors
vernacular_title: Klinisch-elektrokardiographische Untersuchungen zur Frühdiagnose der Angina pectoris.