title: A STUDY OF THE ETIOLOGICAL BASIS OF PRIMARY PULMONARY HYPERTENSION.
mesh_terms: D000293:Adolescent; D000925:Anticoagulants; D001161:Arteriosclerosis; D001167:Arteritis; D006328:Cardiac Catheterization; D002648:Child; D004358:Drug Therapy; D004562:Electrocardiography; D065627:Familial Primary Pulmonary Hypertension; D006801:Humans; D006973:Hypertension; D006976:Hypertension, Pulmonary; D007223:Infant; D010336:Pathology; D011655:Pulmonary Embolism; D013902:Radiography, Thoracic; D014656:Vascular Surgical Procedures
chemical_list: D000925:Anticoagulants
keywords: ADOLESCENCE; ANTICOAGULANTS; ARTERIOSCLEROSIS; ARTERITIS; CHILD; DRUG THERAPY; ELECTROCARDIOGRAPHY; HEART CATHETERIZATION; HYPERTENSION, PULMONARY; INFANT; PATHOLOGY; PULMONARY EMBOLISM; THORACIC RADIOGRAPHY; VASCULAR SURGERY