title: [Electrocardiogram in primary pulmonary hypertension--special reference to prognosis (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000401:mortality / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D011379:Prognosis