1. Systolic anterior motion of the tricuspid valve in idiopathic hypertrophic subaortic stenosis;Brik;J Clin Ultrasound,1978
2. Echocardiography of pacing catheters;Nanda;Clin Res,1977
3. Abnormal systolic anterior motion of atrioventricular valves in complete heart block;Nanda;Echocardiographic studies. Ultrasound Med,1977
4. Echocardiography of cardiac valves in pericardial effusion;Nanda;Circulation,1976
5. Aneurysm of membranous interventricular septum. Echocardiographic features;Assad-Morell;Mayo Clin Proc,1974