1. Determination of right atrial and right ventricular size by two-dimensional echocardiography;Bommer, W.; Weinert, L.; Neumann, A.; Neef, J.;Circulation,1979
2. Echocardiographic measurements of right ventricular wall thickness in adults by anterior approach;Tsuda, T.; Sawajama, T.; Kawai, N.;Br HeartJr,1980
3. Usefulness of two-dimensional echocardiography in diagnosing right ventricular hypertrophy;Cacho, A.; Prakash, R.; Sarma, R.; Kaushik, V.S.;Chest,1983
4. Improved recognition of cor pulmonale in patients with severe chronic obstructive pulmonary disease;Himelman, R.B.; Struve, S.N.; Brown, J.K.; Namnun, P.; Schiller, N.B.;Am J Med,1988
5. Two-dimensional echocardiography using a subcostal approach in patients with COPD;Zenker, G.; Forche, G.; Hamoncourt, K.;Chest,1985