title: [Electrocardiographic findings in 505 cases of essential arterial hypertension].
mesh_terms: D000328:Adult; D000368:Aged; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006973:Hypertension / Q000175:diagnosis* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged
vernacular_title: Hallazgos electrocardiográficos en 505 casos de hipertensión arterial esencial