title: [Etiology of primary pulmonary hypertension].
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000151:congenital / Q000209:etiology* / Q000503:physiopathology; D007223:Infant; D008297:Male; D008875:Middle Aged
vernacular_title: Ob étiologii pervichnoĭ legochnoĭ gipertonii.