title: Long-time observations on the Blalock-Taussig operation VI: truncus arteriosus type IV.
mesh_terms: D000293:Adolescent; D000328:Adult; D000792:Angiography; D001011:Aorta / Q000002:abnormalities; D002648:Child; D003937:Diagnosis, Differential; D004374:Ductus Arteriosus, Patent / Q000145:classification / Q000175:diagnosis / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D008297:Male; D008722:Methods; D011651:Pulmonary Artery / Q000002:abnormalities; D013771:Tetralogy of Fallot / Q000175:diagnosis; D013997:Time Factors