[Echocardiographic findings of primary pulmonary hypertension (author's transl)].
D000293:Adolescent; D000328:Adult; D004452:Echocardiography; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D011664:Pulmonary Valve / Q000503:physiopathology