echocardiography: systolic ejection time of prosthetic pulmonary valve at end of inspiration
echocardiography: systolic ejection time of prosthetic pulmonary valve at end of inspiration
echocardiography: systolic ejection time of prosthetic pulmonary valve at end of inspiration (procedure)
echocardiography: systolic ejection time of prosthetic pulmonary valve at end of inspiration (procedure)