Primary pulmonary hypertension in five patients.
D000328:Adult; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000473:pathology*; D066298:In Vitro Techniques; D008297:Male; D008875:Middle Aged; D013902:Radiography, Thoracic