1. Echocardiographic detection of the pulmonary valve;Gramiak, R.; Nanda, N.C.; Shah, P.M.;Radiology,1972
2. Measurement of right and left ventricular systolic time intervals by echocardiography;Hirschfeld, S.; Meyer, R.; Schwartz, D.C.; Korfhagen, J.; Kaplan, S.;Circulation,1975
3. Sensitivity and specificity of the pulmonic valve echogram in the detection of pulmonary hypertension (abstract);Kaku, R.; Neumann, A.; Bommer, W.; Weinert, L.; Mason, D.T.; DeMaria, A.N.;American Journal of Cardiology,1978
4. Determinants of pulmonic valve opening velocity-experimental echocardiographic studies (abstract);Kerber, R.; Maximov, M.;Circulation,1976
5. Non-invasive estimation of pulmonary artery end-diastolic pressure (abstract);Mills, P.; Leech, G.; Leatham, A.; Ginks, W.;Circulation,1975