echocardiography: diastolic isovolumetric relaxation period of mitral valve at end of expiration
echocardiography: diastolic isovolumetric relaxation period of mitral valve at end of expiration
echocardiography: diastolic isovolumetric relaxation period of mitral valve at end of expiration
echocardiography: diastolic isovolumetric relaxation period of mitral valve at end of expiration