1. Clinical identification of pulmonary blood supply in pulmonary atresia;Somerville,1988
2. Angiocardiography of congenital heart disease;Freedom,1984
3. Cross-sectional echocardiography;Weyman,1982
4. Pediatric imaging/Doppler ultrasound of the chest;Huhta,1986
5. Feasibility of detailed two-dimensional echocardiographic examination in adults;Bansal,1980