title: [The familial occurence of primary pulmonary hypertension (author's transl)].
mesh_terms: D000328:Adult; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000235:genetics* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged